ARM: OMAP2+: PRCM: add support for static clock memmap indices

All clock provider related drivers will now register their iomaps
with a static index. This makes it easier to split up the individual
drivers to their own files in subsequent patches.

Signed-off-by: Tero Kristo <t-kristo@ti.com>

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

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

diff --cc include/linux/clk/ti.h
Simple merge