Add Legacy TileY feature flag

Change-Id: I1a9cbc1e2dd37ce661bf7f27102e8065812df890
diff --git a/Source/inc/common/sku_wa.h b/Source/inc/common/sku_wa.h
index f60860a..10dcbeb 100644
--- a/Source/inc/common/sku_wa.h
+++ b/Source/inc/common/sku_wa.h
@@ -66,6 +66,7 @@
         unsigned int   FtrVERing    : 1;  // Separate Ring for VideoEnhancement commands
         unsigned int   FtrVcs2      : 1;  // Second VCS engine supported on Gen8 to Gen10 (in some configurations);
         unsigned int   FtrLCIA      : 1;  // Indicates Atom (Low Cost Intel Architecture)
+        unsigned int   FtrTileY     : 1;  // Identifies Legacy tiles TileY/Yf/Ys on the platform
     };