Update readme with information about C++ for OpenCL. (#587)

Co-authored-by: Sven van Haastregt <sven.vanhaastregt@arm.com>

Author: AnastasiaStulova

README.adoc

@@ -15,7 +15,8 @@ Dependencies>>.
 
 This repository contains the source and tool chain used to generate the
 formal OpenCL API, OpenCL Extensions, OpenCL SPIR-V Environment, and
-OpenCL C++ Specifications, as well as the OpenCL 2.2 Reference Pages.
+OpenCL C++ Specifications, as well as the OpenCL 2.2 Reference Pages
+and documentation for the C++ for OpenCL kernel language.
 
 This file describes the repository structure, tools, and build instructions
 needed.
@@ -43,21 +44,23 @@ We intend to maintain a linear history on the GitHub `master` branch.
 == Repository Structure
 
 |====
-| *File*            | *Description*
-| `README.adoc`     | This file
-| `Makefile`        | GNU Makefile used to build HTML and PDF spec targets
-| `config/`         | Support files for asciidoctor build, HTML CSS / Javascript, etc.
-| `katex/`          | KaTeX math renderer for HTML outputs
-| `OpenCL_API.txt`  | Main source file for the OpenCL API Specification
-| `api/`            | Individual sections of the API Specification
-| `OpenCL_Cxx.txt`  | Main source file for the OpenCL C++ Specification
-| `cxx/`            | Individual sections of the C++ Specification
-| `OpenCL_Env.txt`  | Main source file for the OpenCL SPIR-V Environment Specification
-| `env/`            | Individual sections of the Environment Specification
-| `OpenCL_Ext.txt`  | Main source file for the OpenCL Extensions Specification
-| `ext/`            | Individual sections of the Extensions Specification
-| `images/`         | Shared images, used by all specs
-| `man/`            | Static reference page sources
+| *File*                | *Description*
+| `README.adoc`         | This file
+| `Makefile`            | GNU Makefile used to build HTML and PDF spec targets
+| `config/`             | Support files for asciidoctor build, HTML CSS / Javascript, etc.
+| `katex/`              | KaTeX math renderer for HTML outputs
+| `OpenCL_API.txt`      | Main source file for the OpenCL API Specification
+| `api/`                | Individual sections of the API Specification
+| `OpenCL_Cxx.txt`      | Main source file for the OpenCL C++ Specification
+| `cxx/`                | Individual sections of the C++ Specification
+| `OpenCL_Env.txt`      | Main source file for the OpenCL SPIR-V Environment Specification
+| `env/`                | Individual sections of the Environment Specification
+| `OpenCL_Ext.txt`      | Main source file for the OpenCL Extensions Specification
+| `ext/`                | Individual sections of the Extensions Specification
+| `CXX_for_OpenCL.txt`  | Main source file for the C++ for OpenCL Documentation
+| `cxx4opencl/`         | Individual sections of the C++ for OpenCL Documentation
+| `images/`             | Shared images, used by all specs
+| `man/`                | Static reference page sources
 |====
 
 
@@ -73,27 +76,31 @@ Other Makefile targets are available for building the different outputs
 for each Specification:
 
 |====
-| *Target*  | *Builds*
-| html      | HTML outputs for all specifications
-| pdf       | PDF outputs for all specifications
-|           |
-| api       | HTML and PDF outputs for API Specification
-| apihtml   | HTML outputs for API Specification
-| apipdf    | PDF outputs for API Specification
-|           |
-| cxx       | HTML and PDF outputs for C++ Specification
-| cxxhtml   | HTML outputs for C++ Specification
-| cxxpdf    | PDF outputs for C++ Specification
-|           |
-| env       | HTML and PDF outputs for SPIR-V Environment Specification
-| envhtml   | HTML outputs for Environment Specification
-| envpdf    | PDF outputs for Environment Specification
-|           |
-| ext       | HTML and PDF outputs for Extensions Specification
-| exthtml   | HTML outputs for Extensions Specification
-| extpdf    | PDF outputs for Extensions Specification
-|           |
-| manhtmlpages | HTML outputs for Reference Pages
+| *Target*       | *Builds*
+| html           | HTML outputs for all specifications
+| pdf            | PDF outputs for all specifications
+|                |
+| api            | HTML and PDF outputs for API Specification
+| apihtml        | HTML outputs for API Specification
+| apipdf         | PDF outputs for API Specification
+|                |
+| cxx            | HTML and PDF outputs for C++ Specification
+| cxxhtml        | HTML outputs for C++ Specification
+| cxxpdf         | PDF outputs for C++ Specification
+|                |
+| env            | HTML and PDF outputs for SPIR-V Environment Specification
+| envhtml        | HTML outputs for Environment Specification
+| envpdf         | PDF outputs for Environment Specification
+|                |
+| ext            | HTML and PDF outputs for Extensions Specification
+| exthtml        | HTML outputs for Extensions Specification
+| extpdf         | PDF outputs for Extensions Specification
+|                |
+| cxx4opencl     | HTML and PDF outputs for C++ for OpenCL Documentation
+| cxx4openclhtml | HTML outputs for C++ for OpenCL Documentation
+| cxx4openclpdf  | PDF outputs for C++ for OpenCL Documentation
+|                |
+| manhtmlpages   | HTML outputs for Reference Pages
 |====
 
 The specification targets are generated in `out/html/` for HTML targets,