msm: kgsl: Add identifier for internal command submissions

Add an identifier to label internal commands being sent to the
ringbuffer.  This will be used to further enable debugging
and hang recovery.

Change-Id: I4b3c10f0c3d290ae092182cbb450abe65e9dda80
Signed-off-by: Carter Cooper <ccooper@codeaurora.org>
diff --git a/drivers/gpu/msm/adreno.h b/drivers/gpu/msm/adreno.h
index 8d16bfa..b4a5292 100644
--- a/drivers/gpu/msm/adreno.h
+++ b/drivers/gpu/msm/adreno.h
@@ -39,6 +39,7 @@
 /* Command identifiers */
 #define KGSL_CONTEXT_TO_MEM_IDENTIFIER	0x2EADBEEF
 #define KGSL_CMD_IDENTIFIER		0x2EEDFACE
+#define KGSL_CMD_INTERNAL_IDENTIFIER	0x2EEDD00D
 #define KGSL_START_OF_IB_IDENTIFIER	0x2EADEABE
 #define KGSL_END_OF_IB_IDENTIFIER	0x2ABEDEAD
 #define KGSL_END_OF_FRAME_IDENTIFIER	0x2E0F2E0F