ARM: mach-shmobile: sh7372 clock framework support V2

This patch is V2 of clock framework tables/code for sh7372.
MSTP are included for KEYSC, SCIF, IIC, USB, SDHI and UIO.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>