OMAP4: do not force workarounds for errata fixed in 4460

Signed-off-by: Mans Rullgard <mans.rullgard at linaro.org>
My purple tint fix.
Users report 80-100% purple tint (at low brightness) cure. Reports of increase in max brightness also.
OMAP: Upstream Patch ups

Signed-off-by: Locasto <amperific@gmail.com>

Conflicts:
	arch/arm/mach-omap2/omap2plus-cpufreq.c
	arch/arm/mach-omap2/opp4xxx_data.c