ASoC: msm: Add support for I2S GPIO in MDM9625 device tree

Add support for gpio configuration in device tree for MDM9625.
With this change machine driver need not to maintain global
gpio list with their names. Also disable MCLK when there is
no playback or recording active.

Change-Id: I762c6ace5759eadf75e92ef9db53d21840548a2c
Signed-off-by: Venkat Sudhir <vsudhir@codeaurora.org>
3 files changed