ASoC: wsa881x: Add regcache mark dirty before regcache sync

Add regcache mark dirty just before regcache sync after
wsa881x codec is out of reset to sync codec registers
from cache to hardware. This will void any race conditions
during regcache sync operation.

Change-Id: If5a65c30b065f78f1fad7cbbaccadb96f5118c1c
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>