Some of gmac, sdmmc node properties are common across rk3288 and
rk3399pro SOM's so move them into Carrier dtsi.

Chosen node is specific to rk3399pro configure SBC, so move it into
RockPI N10 dts.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Link: https://lore.kernel.org/r/20200715083418.112003-5-jagan@amarulasolutions.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>