ARM: dt: tegra: Enable device tree audio codec on PAZ00 board.

This patch adds initial device tree support of ALC5632 sound codec and
machine driver for PAZ00 board. The implementation is based on the WM8903 codec.

Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Leon Romanovsky <leon@leon.nu>
Signed-off-by: Olof Johansson <olof@lixom.net>