arm64: dts: rockchip: Add rk3576 evb1 board

arm64: dts: rockchip: Add rk3576 evb1 board

RK3576 EVB1 board features:
- Rockchip RK3576
- PMIC: RK806-2x2pcs+DiscretePower
- RAM: LPDDR4/4x 2pcsx 32bit
- ROM: eMMC5.1 + UFS
- LAN x 2
- HDMI TX
- SD card slot
- PCIe2 slot

Add support for pmic, eMMC, SD-card, ADC-KEY, PCIE and GMAC.

NOTE: The board has a hardware mux design for
- PCIe slot(pcie1)
- USB3 host(usb_drd1_dwc3)
and default state is switch to USB3. To enable PCIe slot:
- hardware: Switch the mux to PCIe side;
- dts: disable usb_drd1_dwc3 and enable pcie1;

Signed-off-by: Liang Chen <cl@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Link: https://lore.kernel.org/r/20250107074911.550057-8-kever.yang@rock-chips.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>