Reserve 4 bits in cl_mem_flags for Qualcomm (#685)

Author: Sreelakshmi Haridas Maruthur

xml/cl.xml

@@ -807,7 +807,11 @@ server's OpenCL/api-docs repository.
         <enum bitpos="34"           name="CL_MEM_RESERVED2_ARM"/>
         <enum bitpos="35"           name="CL_MEM_RESERVED3_ARM"/>
         <enum bitpos="36"           name="CL_MEM_RESERVED4_ARM"/>
-            <unused start="37" end="63"/>
+        <enum bitpos="37"           name="CL_MEM_RESERVED0_QCOM"/>
+        <enum bitpos="38"           name="CL_MEM_RESERVED1_QCOM"/>
+        <enum bitpos="39"           name="CL_MEM_RESERVED2_QCOM"/>
+        <enum bitpos="40"           name="CL_MEM_RESERVED3_QCOM"/>
+            <unused start="41" end="63"/>
     </enums>
 
     <enums name="cl_map_flags" vendor="Khronos" type="bitmask">