drivers/rtc/Kconfig: update Kconfig for OMAP RTC
drivers/rtc/Kconfig: update Kconfig for OMAP RTC

RTC is present in AM43xx and DRA7xx also.  Updating the Kconfig to depend
on ARCH_OMAP or ARCH_DAVINCI

Signed-off-by: Lokesh Vutla <c1574519d727edaf2e16b260e452051ef77bf018@ti.com>
Acked-by: Alexandre Belloni <a7228e626ecf0022ac91fc1cd8db88e71d0e5e0e@free-electrons.com>
Cc: Alessandro Zummo <f0b9bd96bf07bfecc189c62159960134588fafe5@towertech.it>
Cc: Paul Walmsley <a027184a55211cd23e3f3094f1fdc728df5e0500@pwsan.com>
Cc: Tero Kristo <060a12f1fbc7e2e5d830b72f402ff04fdae8d312@ti.com>
Cc: Sekhar Nori <946cfb81282bb55c59f600e7ee3d3b2c6973f7a3@ti.com>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs