trivial: rtc-ds1511: fix sparse warning
trivial: rtc-ds1511: fix sparse warning

Fix this sparse warning:

  drivers/rtc/rtc-ds1511.c:634:2: warning: returning void-valued expression

Acked-by: Alessandro Zummo <f0b9bd96bf07bfecc189c62159960134588fafe5@towertech.it>
Signed-off-by: Hannes Eder <331be22c6b63ca3e0a03d408c2d906b1b02cd5f2@hanneseder.net>
Signed-off-by: Jiri Kosina <ed58f755cc8caaf10c3e8c731a8b86fb8f13d6cb@suse.cz>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs