ARM: dts: rockchip: fix rk3036 emac node compatible string

The Linux kernel has no logic to decide which driver to probe first.
To prevent race conditions remove the rk3036 emac node
fall back compatible string.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20220603163539.537-2-jbx6244@gmail.com


Signed-off-by: Heiko Stuebner <heiko@sntech.de>