video: driver: Deprecate private ctrls and use upstream ctrls

Remove private ctrl definitions, and use upstream ctrls
in source code.

Change-Id: Ib12cae5b78be69936bf0f97ca09483f5baa60350
Signed-off-by: Akshata Sahukar <asahukar@codeaurora.org>

include/uapi/vidc/media/v4l2_vidc_extensions.h

@@ -57,13 +57,8 @@
 #define V4L2_CID_MPEG_VIDC_LOWLATENCY_REQUEST   (V4L2_CID_MPEG_VIDC_BASE + 0x3)
 /* FIXme: */
 #define V4L2_CID_MPEG_VIDC_CODEC_CONFIG         (V4L2_CID_MPEG_VIDC_BASE + 0x4)
-/* LTR controls */
-#define V4L2_CID_MPEG_VIDC_LTRCOUNT             (V4L2_CID_MPEG_VIDC_BASE + 0x7)
-#define V4L2_CID_MPEG_VIDC_USELTRFRAME          (V4L2_CID_MPEG_VIDC_BASE + 0x8)
-#define V4L2_CID_MPEG_VIDC_MARKLTRFRAME         (V4L2_CID_MPEG_VIDC_BASE + 0x9)
 /* Encoder Intra refresh period */
 #define V4L2_CID_MPEG_VIDC_INTRA_REFRESH_PERIOD (V4L2_CID_MPEG_VIDC_BASE + 0xB)
-#define V4L2_CID_MPEG_VIDC_AU_DELIMITER         (V4L2_CID_MPEG_VIDC_BASE + 0xC)
 #define V4L2_CID_MPEG_VIDC_TIME_DELTA_BASED_RC  (V4L2_CID_MPEG_VIDC_BASE + 0xD)
 /* Encoder quality controls */
 #define V4L2_CID_MPEG_VIDC_CONTENT_ADAPTIVE_CODING                            \