[ARM] 3803/2: S3C24XX: PM split S3C2410 out of core pm

Remove the S3C2410 specific items out of the
core PM code. Add sysdev driver for all the
S3C24XX series that used the S3C2410 PM code.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>