video: driver: add support to configure colorinfo via control

- introduce control to set colorspace. client will use this
  to set private color info.

Change-Id: I0099ef1525f4562d3be3a6e518d046fe5b9ef894
Signed-off-by: Darshana Patil <quic_darshana@quicinc.com>

driver/vidc/inc/msm_vidc_internal.h

@@ -367,6 +367,7 @@ enum msm_vidc_metadata_bits {
 	CAP(LOWLATENCY_MAX_BITRATE)               \
 	CAP(LAST_FLAG_EVENT_ENABLE)               \
 	CAP(NUM_COMV)                             \
+	CAP(SIGNAL_COLOR_INFO)                    \
 	CAP(INST_CAP_MAX)                         \
 }