Revert "msm-sleeper: limit max freq when screen is off (part 2)"

This reverts commit 27a3096a38c61eca1e2bd2a0dd64e0acb4b759c8.
Revert "msm-sleeper: limit max freq when screen is off"

This reverts commit 444a277bac27490f724fd8ccf6639180f2c7863d.
Enable ccache

Conflicts:
	Makefile