video: driver: add support to send input meta buffer via request

Client can enable V4L2_CID_MPEG_VIDC_INPUT_METADATA_VIA_REQUEST_ENABLE
control and send input metadata buffer via request.

Change-Id: Icccdada8253d1d0291c01e2e539968141f7ddd2c
Signed-off-by: Darshana Patil <quic_darshana@quicinc.com>

include/uapi/vidc/media/v4l2_vidc_extensions.h

@@ -197,6 +197,9 @@ enum v4l2_mpeg_video_av1_tier {
 /* Control to set input metadata buffer fd */
 #define V4L2_CID_MPEG_VIDC_INPUT_METADATA_FD                                 \
 	(V4L2_CID_MPEG_VIDC_BASE + 0x36)
+/* Control to enable input metadata via request api */
+#define V4L2_CID_MPEG_VIDC_INPUT_METADATA_VIA_REQUEST_ENABLE                 \
+	(V4L2_CID_MPEG_VIDC_BASE + 0x37)
 
 /* add new controls above this line */
 /* Deprecate below controls once availble in gki and gsi bionic header */