Add "group" attributes for NV_primitive_shading_rate enums.

xml/gl.xml

diff --git a/xml/gl.xml b/xml/gl.xml
index 7654a97..e824f5e 100644
--- a/xml/gl.xml
+++ b/xml/gl.xml
@@ -11586,8 +11586,8 @@
         <enum value="0x95AE" name="GL_SHADING_RATE_SAMPLE_ORDER_DEFAULT_NV"/>
         <enum value="0x95AF" name="GL_SHADING_RATE_SAMPLE_ORDER_PIXEL_MAJOR_NV"/>
         <enum value="0x95B0" name="GL_SHADING_RATE_SAMPLE_ORDER_SAMPLE_MAJOR_NV"/>
-        <enum value="0x95B1" name="GL_SHADING_RATE_IMAGE_PER_PRIMITIVE_NV"/>
-        <enum value="0x95B2" name="GL_SHADING_RATE_IMAGE_PALETTE_COUNT_NV"/>
+        <enum value="0x95B1" name="GL_SHADING_RATE_IMAGE_PER_PRIMITIVE_NV" group="EnableCap,GetPName"/>
+        <enum value="0x95B2" name="GL_SHADING_RATE_IMAGE_PALETTE_COUNT_NV" group="GetPName"/>
         <enum value="0x95B3" name="GL_SEMAPHORE_TYPE_NV" group="SemaphoreParameterName"/>
         <enum value="0x95B4" name="GL_SEMAPHORE_TYPE_BINARY_NV" group="SemaphoreParameterName"/>
         <enum value="0x95B5" name="GL_SEMAPHORE_TYPE_TIMELINE_NV" group="SemaphoreParameterName"/>