Added new DG1 device ID's

Change-Id: I4cb6fdc20c1bfe68fa2f1351309b8db8c489be3d
diff --git a/Source/inc/common/igfxfmid.h b/Source/inc/common/igfxfmid.h
index 1cd1e01..50490d4 100644
--- a/Source/inc/common/igfxfmid.h
+++ b/Source/inc/common/igfxfmid.h
@@ -1193,6 +1193,8 @@
 #define DEV_ID_9A7F                             0x9A7F
 
 #define DEV_ID_4905                             0x4905
+#define DEV_ID_4906                             0x4906
+#define DEV_ID_4907                             0x4907
 
 // Rocketlake
 #define DEV_ID_4C80                             0x4C80