video: driver: Add support for Synx V2 fences

Add Synx V2 fences support to improve latency
in video decode usecases.

Change-Id: If21f8b65895364a804f8e03580b09c44b377c199
Signed-off-by: Akshata Sahukar <quic_asahukar@quicinc.com>

driver/vidc/inc/msm_vidc_synx.h

@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _H_MSM_VIDC_SYNX_H_
+#define _H_MSM_VIDC_SYNX_H_
+
+#include "msm_vidc_fence.h"
+
+const struct msm_vidc_fence_ops *get_synx_fence_ops(void);
+
+#endif //_H_MSM_VIDC_SYNX_H_