ASoC: msm8226: Add support to enable codec external MCLK

Add support to enable the clock and the PMIC GPIO needed for
clock used by WCD9306 codec.

Change-Id: Icd50d7b929821f79ad3eca9a02175dd72c27c1ac
Signed-off-by: Bhalchandra Gajare <gajare@codeaurora.org>
2 files changed