Add macros to detect GT2/GT3 skus so we can apply the proper OA
configuration later.
Signed-off-by: NLionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: NMatthew Auld <matthew.auld@intel.com>
Signed-off-by: NBen Widawsky <ben@bwidawsk.net>