Revert "msm: acpuclock: Delete legacy acpuclock-krait drivers"

This reverts commit a2de48136abc86d96403bb7c871a529ce8bbb154.

Conflicts:
	arch/arm/mach-msm/Makefile

Change-Id: Ieaa9a34c426c64a946d42a21b3b78df84e041c38
ION-MSM: No need to refer to Tegra dir, which is no longer there.

Change-Id: I2d74b8e15f1964bad4cadb860d26addb1da79451
Update defconfigs, use XZ compression

Change-Id: I6cf313c0d7984d71c148b0cf69a79ece6de11b75