Revert "cpufreq: Disable cpu-boost"

This reverts commit 7b3e11b398c4184054f48df01b36534e1c59f613.
Revert "ramdisk: Remove cpu-boost"

This reverts commit f7900cbd05cf11b99417e2804b2aa73acfcb2ba5.
Sultan_defconfig: Set default adreno 3D governor to simple_ondemand