driver: vidc: add support for open, close, set codec

add support for session open, close and set codec.

Change-Id: Ic2f7a953a0d90215fab0a0d141957c3eb1a8cc78
Signed-off-by: Darshana Patil <darshana@codeaurora.org>

driver/vidc/inc/venus_hfi.h

@@ -54,6 +54,7 @@ int venus_hfi_start(struct msm_vidc_inst *inst, enum msm_vidc_port_type port);
 int venus_hfi_stop(struct msm_vidc_inst *inst, enum msm_vidc_port_type port);
 int venus_hfi_session_close(struct msm_vidc_inst *inst);
 int venus_hfi_session_open(struct msm_vidc_inst *inst);
+int venus_hfi_session_set_codec(struct msm_vidc_inst *inst);
 int venus_hfi_core_init(struct msm_vidc_core *core);
 int venus_hfi_core_release(struct msm_vidc_core *core);
 int venus_hfi_suspend(struct msm_vidc_core *core);