cpufreq: ondemand: Calculate load_at_max_freq based on current policy->max

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
cpufreq: Calculate load_at_max_freq based on current policy->max

fix by myfluxi!

https://github.com/myfluxi/kernel_msm/commit/4c5d76153015760f2cddedbc5f4751ccee668f28

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>