ARM: dts: imx6ul-geam: Add Sound card with codec node

Add support for Sound card and related codec(via i2c1) nodes
on Engicam GEAM6UL variant module boards.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>