ARM: OMAP2+: Add support for auxdata

For few things we're still going to be needing platform
data for device tree based drivers. Let's set up auxdata
handling and do it in pdata-quirks.c so we have all the
legacy calls in one place.

Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --cc arch/arm/mach-omap2/board-generic.c
Simple merge

diff --cc arch/arm/mach-omap2/common.h
Simple merge

diff --cc arch/arm/mach-omap2/pdata-quirks.c
Simple merge