ASoC: wcd938x: Do not enable hold_off while enabling watchdog

Hold_off bit for enabling watchdog will enable mute until
there is a block reset and watchdog bits aren't toggled.
Disable hold_off bit so that wcd is recovered from mute
instantly once watchdog occurred.

Change-Id: Ia87593ead05dde4e31a0afefd6ffaca89bb95448
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>