msm: sde: change rotator BGRA4444 to unique fourcc code

BGRA4444, defined currently as fourcc "BA12" in rotator driver,
is already assigned to existing format V4L2_PIX_FMT_SGRBG12 as
defined in videodev2.h.  Change BGRA4444 to new fourcc definition
"bA12" to avoid collision.

CRs-Fixed: 1054825
Change-Id: I8b28dd3827cc9b540eef5955bbf9dbe77ce91f4b
Signed-off-by: Alan Kwong <akwong@codeaurora.org>
diff --git a/include/uapi/media/msm_sde_rotator.h b/include/uapi/media/msm_sde_rotator.h
index adc3d45..3066ed8 100644
--- a/include/uapi/media/msm_sde_rotator.h
+++ b/include/uapi/media/msm_sde_rotator.h
@@ -24,7 +24,7 @@
 #define SDE_PIX_FMT_XRGB_1555		V4L2_PIX_FMT_XRGB555
 #define SDE_PIX_FMT_ARGB_4444		V4L2_PIX_FMT_ARGB444
 #define SDE_PIX_FMT_RGBA_4444		v4l2_fourcc('R', 'A', '1', '2')
-#define SDE_PIX_FMT_BGRA_4444		v4l2_fourcc('B', 'A', '1', '2')
+#define SDE_PIX_FMT_BGRA_4444		v4l2_fourcc('b', 'A', '1', '2')
 #define SDE_PIX_FMT_ABGR_4444		v4l2_fourcc('A', 'B', '1', '2')
 #define SDE_PIX_FMT_RGBX_4444		v4l2_fourcc('R', 'X', '1', '2')
 #define SDE_PIX_FMT_XRGB_4444		V4L2_PIX_FMT_XRGB444