The S3C64XX SoC has a real 32 bit counter, but almost the same style of
registers. It's enough to change the parameters, to get the routines work on
this SoC.

sha: s5p timer works like s3c64xx, so use #else to cover this.

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>