Revert "msm: acpuclock-8960ab: Add frequency steps up to 1.9 GHz"

* Not worth it for the heat.

This reverts commit 86fee1a9135b4b695c2d66a7c0a6b60d7c677b7f.

Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>

Conflicts:
	arch/arm/mach-msm/acpuclock-8960ab.c