ARM: rmobile: Rework the ULCB CPLD driver

Rework the ULCB CPLD driver and make it into a sysreset driver,
since that is what the ULCB CPLD driver is mostly for.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
5 files changed