LCD_KCAL: Fix mistake on out-of-range values

This didn't cause any issues, but we don't need to reassign r/g/b again
every time it passes through.

Conflicts:
	arch/arm/mach-msm/lge/mako/board-mako-display.c

Conflicts:
	arch/arm/mach-msm/lge/mako/board-mako-display.c