ASoC: wcd9335: clean up indentation issue

There is an if statement that is indented one level too deeply,
remove the extraneous tabs.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20190925111023.7771-1-colin.king@canonical.comSigned-off-by: Mark Brown <broonie@kernel.org>