drm/i915: add KBL GT2/GT3 check macros

Add macros to detect GT2/GT3 skus so we can apply the proper OA
configuration later.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
1 file changed