video: driver: Add handling for session priority

Following changes are added with this:
1. Handle and adjust session priority.
2. Session addmission based on priority.
3. Power (clock and bus) scaling based on priority.
4. Handle s_parm influence on priority.

Change-Id: I12dec5fb03d733f07b0b0a24b4d74d1ccd4bf791
Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>

driver/vidc/inc/msm_vidc_power.h

@@ -247,8 +247,7 @@ 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,
-	enum load_calc_quirks quirks);
+int msm_vidc_get_inst_load(struct msm_vidc_inst *inst);
 int msm_vidc_scale_power(struct msm_vidc_inst *inst, bool scale_buses);
 
 #endif