msm: video: wfd: Clean up controls

Rename some controls for consistent naming.  Also use QCOM defined
controls rather than reusing ones intended for other vendors.

Change-Id: I684f31b59a69362dd44cebb7a59a3ef2b78297aa
Signed-off-by: Deva Ramasubramanian <dramasub@codeaurora.org>
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index e5e0bb4..3858022 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1840,6 +1840,12 @@
 	V4L2_MPEG_VIDC_VIDEO_H264_VUI_TIMING_INFO_ENABLED = 1
 };
 
+#define V4L2_CID_MPEG_VIDC_SET_PERF_LEVEL (V4L2_CID_MPEG_MSM_VIDC_BASE + 26)
+enum v4l2_mpeg_vidc_perf_level {
+	V4L2_CID_MPEG_VIDC_PERF_LEVEL_PERFORMANCE		= 0,
+	V4L2_CID_MPEG_VIDC_PERF_LEVEL_TURBO			= 1,
+};
+
 /*  Camera class control IDs */
 #define V4L2_CID_CAMERA_CLASS_BASE 	(V4L2_CTRL_CLASS_CAMERA | 0x900)
 #define V4L2_CID_CAMERA_CLASS 		(V4L2_CTRL_CLASS_CAMERA | 1)