overclocking: initial MSM S4-pro overclocking to 1.836 GHz

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:

	arch/arm/mach-msm/lge/mako/board-mako-regulator.c
	arch/arm/mach-msm/lge/mako/board-mako.c