video: driver: fixes for PSC on latest fw

- post input psc, output psc and last flag
  events to response work handler
- fix issue with release and create internal
  buffers during input psc
- clear last flag after session continue

Change-Id: Ic0278a09a0f6ee8ffff8840a47cd80c046ecadc4
Signed-off-by: Darshana Patil <darshana@codeaurora.org>

driver/vidc/inc/venus_hfi_response.h

@@ -14,8 +14,8 @@ bool is_valid_port(struct msm_vidc_inst *inst, u32 port,
 	const char *func);
 bool is_valid_hfi_buffer_type(struct msm_vidc_inst *inst,
 	u32 buffer_type, const char *func);
-void handle_session_input_psc_work_handler(struct work_struct *work);
-int handle_session_input_psc(struct msm_vidc_inst *inst,
-		struct input_psc_work *psc_work);
+void handle_session_response_work_handler(struct work_struct *work);
+int handle_session_response_work(struct msm_vidc_inst *inst,
+	struct response_work *work);
 
 #endif // __VENUS_HFI_RESPONSE_H__