mach-msm: Add msm_mpdecision Kconfig & Makefile hooks

Signed-off-by: showp1984 <showp1984@gmail.com>

Conflicts:

	arch/arm/mach-msm/Kconfig

Conflicts:
	arch/arm/mach-msm/Makefile

Conflicts:

	arch/arm/mach-msm/Makefile