linux-phytec-ti

sh: sh7722: use runtime PM implementation, common with arm/mach-shmobile

Switch sh7722 to a runtime PM implementation, common with ARM-based
sh-mobile platforms.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>