msm: mdp: Add support for RGBX 8888 image format.

Signed-off-by: Dima Zavin <dima@android.com>
Signed-off-by: Carl Vanderlip <carlv@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
diff --git a/drivers/video/msm/mdp_ppp.c b/drivers/video/msm/mdp_ppp.c
index 4ff001f..2b6564e 100644
--- a/drivers/video/msm/mdp_ppp.c
+++ b/drivers/video/msm/mdp_ppp.c
@@ -69,6 +69,7 @@
 	[MDP_ARGB_8888] = 4,
 	[MDP_RGBA_8888] = 4,
 	[MDP_BGRA_8888] = 4,
+	[MDP_RGBX_8888] = 4,
 	[MDP_Y_CBCR_H2V1] = 1,
 	[MDP_Y_CBCR_H2V2] = 1,
 	[MDP_Y_CRCB_H2V1] = 1,