Allocate enums for upcoming Intel memory property extension (#858)

* Allocate enums for upcoming Intel extension

* Add comment indicating which type the enums apply to

Author: Mike Kinsner

xml/cl.xml

@@ -2188,7 +2188,9 @@ server's OpenCL/api-docs repository.
         <enum value="0x4215"        name="CL_COMMAND_WRITE_HOST_PIPE_INTEL"/>
         <enum value="0x4216"        name="CL_PROGRAM_NUM_HOST_PIPES_INTEL"/>
         <enum value="0x4217"        name="CL_PROGRAM_HOST_PIPE_NAMES_INTEL"/>
-            <unused start="0x4218" end="0x421F"/>
+        <enum value="0x4218"        name="CL_MEM_LOCALLY_UNCACHED_RESOURCE_INTEL"/>
+        <enum value="0x4219"        name="CL_MEM_DEVICE_ID_INTEL"/>
+            <unused start="0x421A" end="0x421F"/>
     </enums>
 
     <enums start="0x4220" end="0x422F" name="enums.4220" vendor="IMG">
@@ -7203,5 +7205,11 @@ server's OpenCL/api-docs repository.
                 <enum name="CL_IMAGE_REQUIREMENTS_SLICE_PITCH_ALIGNMENT_EXT"/>
             </require>
         </extension>
+        <extension name="cl_intel_create_mem_object_properties" supported="opencl">
+            <require comment="cl_mem_properties">
+                <enum name="CL_MEM_LOCALLY_UNCACHED_RESOURCE_INTEL"/>
+                <enum name="CL_MEM_DEVICE_ID_INTEL"/>
+            </require>
+        </extension>
     </extensions>
 </registry>