video: driver: packetize dynamic controls with buffer

packetize dynamic controls set via request api along
with corresponding input buffer under the same hfi header
and queue to FW.

Change-Id: I8bf82f7ccb1ab16c42ce02189a208f5f7cb8dc70
Signed-off-by: Darshana Patil <quic_darshana@quicinc.com>

driver/vidc/inc/msm_vidc_inst.h

@@ -144,6 +144,7 @@ struct msm_vidc_inst {
 	struct list_head                   caps_list;
 	struct list_head                   children_list;
 	struct list_head                   firmware_list;
+	struct list_head                   pending_pkts; /* list of struct hfi_pending_packet */
 	bool                               once_per_session_set;
 	bool                               ipsc_properties_set;
 	bool                               opsc_properties_set;