ASoC: wcd9335: enable APC in Tx path

Enable Automatic peak control(APC) block in Tx path.
APC allows the digital signal not to saturate/clip
if analog signal is not saturated.

Change-Id: If72459c2c4e84f689d841423bf5d0d468410d8ca
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>