ASoC: wcd9335: Increase slimbus clock gear to reduce cold start latency

Increase slimbus clock gear during device path bringup to
reduce the latency of codec register writes. Change increases
slimbus clock gear before device path bringup and restore
back to default after device path bringup.

Change-Id: I6aae7fffb001c4b0dbf6947bb41200682965a38f
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>