arm64: dts: Add support for FriendlyElec CM3588

Tested and working:

- all 4 NVMe port, including their respective activity LEDs (NVMe tested with hdparm)
- HDMI 4k@60 (tested with Gnome desktop), more will likely work too
- LAN
- 2xUSB3, 1xUSB2 (USB-C and OTG/DP mode untested)
- hardware buttons (power, reset)
- hardware acceleration for video encoding/decoding (tested with jellyfin-ffmpeg6)

arch/arm64/boot/dts/rockchip/Makefile

@@ -248,6 +248,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-fxblox-rk1.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-hinlink-h88k.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-armsom-w3.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-armsom-sige7.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-nanopc-cm3588-nas.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-nanopc-t6.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-nvr-demo-v10.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-nvr-demo-v10-android.dtb