arm64: dts: rockchip: Add devicetree for the ROC-RK3588-RT

arm64: dts: rockchip: Add devicetree for the ROC-RK3588-RT

Link: https://en.t-firefly.com/product/industry/rocrk3588rt
The Firefly ROC-RK3588-RT is RK3588 based SBC featuring:
- TF card slot
- SATA 2242 socket
- 1x USB 3.0 Port, 1x USB 2.0 Port, 1x Typec Port
- 1x HDMI 2.1 out, 1x HDMI 2.0 out
- 2x Gigabit Ethernet, 1x 2.5G Ethernet
- M.2 E-KEY for Extended WiFI and Bluetoolh
- ES8388 on-board sound codec - jack in/out
- RTC
- LED: WORK, DIY

Signed-off-by: Kaison Deng <dkx@t-chip.com.cn>
Reviewed-by: Andrew Lunn <andrew@lunn.ch> #gmac0, gmac1, mdio0, mdio1 nodes
Link: https://lore.kernel.org/r/349c4226824efa52ceb14e3d8518c8bb5c7465fc.1757902513.git.dkx@t-chip.com.cn
Signed-off-by: Heiko Stuebner <heiko@sntech.de>