add missing type and enum for cl_khr_terminate_context (#822)

Author: bashbaug

xml/cl.xml

@@ -207,6 +207,7 @@ server's OpenCL/api-docs repository.
         <type category="define">typedef <type>cl_uint</type>          <name>cl_profiling_info</name>;</type>
         <type category="define">typedef <type>cl_properties</type>    <name>cl_sampler_properties</name>;</type>
         <type category="define">typedef <type>cl_uint</type>          <name>cl_kernel_exec_info</name>;</type>
+        <type category="define">typedef <type>cl_bitfield</type>      <name>cl_device_terminate_capability_khr</name>;</type>
         <type category="define">typedef <type>cl_bitfield</type>      <name>cl_device_unified_shared_memory_capabilities_intel</name>;</type>
         <type category="define">typedef <type>cl_properties</type>    <name>cl_mem_properties_intel</name>;</type>
         <type category="define">typedef <type>cl_bitfield</type>      <name>cl_mem_alloc_flags_intel</name>;</type>
@@ -831,6 +832,11 @@ server's OpenCL/api-docs repository.
         <enum bitpos="31"           name="CL_QUEUE_THREAD_LOCAL_EXEC_ENABLE_INTEL"/>
     </enums>
 
+    <enums name="cl_device_terminate_capability_khr" vendor="Khronos" type="bitmask">
+        <enum bitpos="0"            name="CL_DEVICE_TERMINATE_CAPABILITY_CONTEXT_KHR"/>
+            <unused start="1" end="31"/>
+    </enums>
+
     <enums name="cl_queue_priority_khr" vendor="Khronos" type="bitmask">
         <enum bitpos="0"            name="CL_QUEUE_PRIORITY_HIGH_KHR"/>
         <enum bitpos="1"            name="CL_QUEUE_PRIORITY_MED_KHR"/>
@@ -5517,12 +5523,18 @@ server's OpenCL/api-docs repository.
             <require>
                 <type name="CL/cl.h"/>
             </require>
+            <require>
+                <type name="cl_device_terminate_capability_khr"/>
+            </require>
             <require comment="cl_device_info">
                 <enum name="CL_DEVICE_TERMINATE_CAPABILITY_KHR"/>
             </require>
             <require comment="cl_context_properties">
                 <enum name="CL_CONTEXT_TERMINATE_KHR"/>
             </require>
+            <require comment="cl_device_terminate_capability_khr">
+                <enum name="CL_DEVICE_TERMINATE_CAPABILITY_CONTEXT_KHR"/>
+            </require>
             <require comment="Error codes">
                 <enum name="CL_CONTEXT_TERMINATED_KHR"/>
             </require>