cpufreq: ondemand: add showp1984 low power cpu commits
* cpufreq: ondemand: limit 2phase freq to max lpcpu if only one cpu is online
* cpufreq: ondemand: 2phase: double the counter if we have limited the freq
* cpufreq: ondemand: 2phase: check for lp instead of online cpus
* cpufreq: ondemand: set 2phase to 204Mhz if lp && screen off
* cpufreq: ondemand: increase 2phase screen off lp frequency
* cpufreq: ondemand: remove fixed idle frequency. Always set to lpcore max clock