undt <lethal@linux-sh.org> 1267165766 +0900

sh: SH-Mobile R-standby register save/restore

Add code to save/restore registers during
R-standby sleep on SH-Mobile processors.

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