rtc/wdt/mfd: ds1374: Split up DS1374 into a wdt and a rtc part

This splits up the DS1374 into a watchdog and rtc part with
separate drivers in drivers/rtc and drivers/watchdog respectively.

Note: This can most likely be broken up better into individual
commits.

Signed-off-by: Moritz Fischer <mdf@kernel.org>
4 files changed