GEAM6UL SOM does have single module, it doesn't come with
any variants. Maintaining imx6ul-geam.dtsi make no sense
so move all devices from .dtsi into dts file and drop the same.
Signed-off-by: NJagan Teki <jagan@amarulasolutions.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>