opp4xxx_data.c: Fixed configuration of NOMINAL/FAST_OPP

Conflicts:
	arch/arm/mach-omap2/opp4xxx_data.c
opp4xxx_data.c/voltage.h: Reconfigured 0x30 fuse for OCFREQ / Revert 'Increased voltage limit for MPU OPP'

Conflicts:
	arch/arm/mach-omap2/opp4xxx_data.c