msm: camera: Add SOF timestamps

Add a message for passing real time clock timestamp
to userspace when SOF is generated

Change-Id: I99cb05bb3d619c4bf6da520366bd42e7e6ac8ee2
Signed-off-by: Ninad Mahimkar <ninadm@codeaurora.org>
diff --git a/include/media/msm_camera.h b/include/media/msm_camera.h
index 31977ed..980599c 100644
--- a/include/media/msm_camera.h
+++ b/include/media/msm_camera.h
@@ -270,6 +270,7 @@
 	unsigned int len;	/* size in, number of bytes out */
 	uint32_t frame_id;
 	void *data;
+	struct timespec timestamp;
 };
 
 struct msm_pp_frame_sp {