ASoC: wcd938x: Clear tx hold hpf after device path setup

During capture path setup, tx path hpf is set to hold.
Clear tx path hpf hold after device path setup.

Change-Id: I3299fc5d84d6e86e23c9ef150c8770ef9d59a870
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>