ARM: 6452/1: Fix checkpatch.pl issues in drivers/rtc/rtc-sa1100.c.

This patch fixes checkpatch.pl issues in drivers/rtc/rtc-sa1100.c,
which I will later modify.

Signed-off-by: Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>