msm: camera: reqmgr: Process frame skip for sHDR scratch config

In case of sHDR to have a continuous flow of frames, program
scratch buffer even if there are no pending requests to apply
to lower pd devices.

CRs-Fixed: 3254135
Change-Id: I07cedcfdcf58f2a37c81e39a5f887945e7f05bc1
Signed-off-by: chengxue <quic_chengxue@quicinc.com>

drivers/cam_req_mgr/cam_req_mgr_core.c

@@ -3553,6 +3553,7 @@ static int cam_req_mgr_process_trigger(void *priv, void *data)
 			CAM_DBG(CAM_REQ,
 				"No pending req to apply to lower pd devices");
 			rc = 0;
+			__cam_req_mgr_notify_frame_skip(link, trigger_data->trigger);
 			__cam_req_mgr_inc_idx(&in_q->rd_idx,
 				1, in_q->num_slots);
 			goto release_lock;