ASoC: wcd9330: fix to reduce SSR recovery latency

bus_down_in_recovery is not set and reset properly. Unnecessarily audio
recovery time is delayed by 1 second timeout. Setting true in post_reset
is too late. When device down set this flag to enable and when power up
set it to false.

Change-Id: Idca98cb035ffc44f06adb2f637bf683e092b493f
Signed-off-by: Fred Oh <fred@codeaurora.org>