video: driver: enable dcvs - power feature

Enable/disable dcvs based on below settings.

- core supports dcvs
- core_clock_voting is set: disable
- encode_batching(superframe): disable
- decode_batching: disable
- thumbnail session: disable
- image session: disable

Handle below items as part of dcvs enablement.

- skip clock scaling for inactive session.
- reset dcvs flags to 0, for encoder at dcvs_window.

Change-Id: I84e6710946bca3fa8c83178f29745d4b9afd4697
Signed-off-by: Govindaraj Rajagopal <grajagop@codeaurora.org>

driver/vidc/inc/msm_vidc_power.h

@@ -249,5 +249,5 @@ static inline int __bpp(enum msm_vidc_colorformat_type f)
 u64 msm_vidc_max_freq(struct msm_vidc_inst* inst);
 int msm_vidc_get_inst_load(struct msm_vidc_inst *inst);
 int msm_vidc_scale_power(struct msm_vidc_inst *inst, bool scale_buses);
-
+void msm_vidc_power_data_reset(struct msm_vidc_inst *inst);
 #endif