Merge branch 'rk3588-ethernet-support'

Sebastian Reichel says:

====================
RK3588 Ethernet Support

This adds ethernet support for the RK3588(s) SoCs.

Changes since PATCHv2:
 * Rebased to v6.0-rc1
 * Wrap DT bindings additions at 80 characters
 * Add Acked-by from Krzysztof

Changes since PATCHv1:
 * Drop first patch (not required) and rebase second patch accordingly
 * Rename DT property rockchip,php_grf -> rockchip,php-grf
====================

Link: https://lore.kernel.org/r/20220830154559.61506-1-sebastian.reichel@collabora.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>