Revert "ARM: dts: msm8974: Allow power collapse as minimum l2 gdhs mode"

This reverts commit 71cd1878f3962537daf59180b74756412dec34e1.
ARM: dts: hammerhead: Restore original panel on/off delays
cpufreq: Re-enable cpu-boost

ERMAGERD SO INDECISIVE AAAHHHH
Sultan_defconfig: v1.0.1E