Add various OMAP SSI drivers

Adds various OMAP SSI drivers.

Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --cc arch/arm/Kconfig
Simple merge

diff --cc drivers/Kconfig
Simple merge

diff --cc drivers/ssi/Kconfig
Simple merge

diff --cc drivers/ssi/Makefile
Simple merge

diff --cc drivers/ssi/omap-tsc2101.c
Simple merge

diff --cc drivers/ssi/omap-tsc2101.h
Simple merge

diff --cc drivers/ssi/omap-uwire.c
Simple merge

diff --cc drivers/ssi/omap-uwire.h
Simple merge