ASoC: wcd9xxx: Add device tree support in codec for I2C

Add device tree support for I2C mode in codec driver.
Parse I2C device information for codec from device tree
and enable power-supplies, gpio, MCLK configurations.

Change-Id: I070b7389d01b5cb14f2897e0cb75ebad72d432a7
Signed-off-by: Venkat Sudhir <vsudhir@codeaurora.org>
4 files changed