[patch v7 08/21] sched: scale_rt_power rename and meaning change

The scale_rt_power() used to represent the left CPU utilization after reduce rt utilization. so named it as scale_rt_power has a bit inappropriate. Since we need to use the rt utilization in some incoming patches, we just change return value of this function to rt utilization, and rename it as

[patch v7 08/21] sched: scale_rt_power rename and meaning change

The scale_rt_power() used to represent the left CPU utilization after reduce rt utilization. so named it as scale_rt_power has a bit inappropriate. Since we need to use the rt utilization in some incoming patches, we just change return value of this function to rt utilization, and rename it as