arm64: defconfig: Enable Rockchip HDMI/eDP Combo PHY

Enable support for the Rockchip HDMI/eDP Combo PHY, which is based on a
Samsung IP block. This is used by the RK3588 SoC family.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20240219203725.283532-1-cristian.ciocaltea@collabora.com


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