mfd: wm831x: Use DEFINE_RES_IRQ_NAMED() and DEFINE_RES_IRQ() to simplify code

No functional change.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
1 file changed