mediatek: add support for Ruijie RG-EW3200GX PRO

X32 Pro is another product  name for it in the Chinese market.

Specifications:
- SoC: MT7622B
- RAM: 256MB
- Flash: XMC XM25QH128C or Winbond WQ25Q128JVSQ 16MB SPI NOR
- Ethernet: 5x1GbE
- Switch: MT7531BE
- WiFi: 2.4G: MT7622 5G: MT7915AN+MT7975AN
- 3LEDs: System LED(blue) + Mesh LED(green) + Mesh LED(red)
- 2Keys: Mesh button + Reset button
- UART: Marked J19 on board. 3.3v, 115200n1
- Power: 12V 2.5A

MAC addresses as verified by OEM firmware:
use   address    source
WAN   *:F4       ethaddr@product_info
LAN   *:F5
5g    *:F6
2g    *:F7

Flash instruction:
1. Serve the initramfs.img using a TFTP server with address 10.10.10.3.
2. Interrupt the uboot startup process via UART.
3. Select "System Load Linux to SDRAM via TFTP" item.
4. (important) Back up firmware(mtd7) partitions with:
        dd if=/dev/mtd7 of=/tmp/firmware.bin
   and then download the firmware.bin image via SCP.
5. Flash the OpenWrt sysupgrade firmware.

Recovery stock firmware:
1. Transfer the firmware.bin image to the device.
2. Flash the image with:
        mtd write firmware.bin firmware

Signed-off-by: Langhua Ye <y1248289414@outlook.com>

target/linux/mediatek/mt7622/base-files/etc/board.d/02_network

@@ -12,7 +12,8 @@ mediatek_setup_interfaces()
 	linksys,e8450|\
 	linksys,e8450-ubi|\
 	mediatek,mt7622-rfb1|\
-	mediatek,mt7622-rfb1-ubi)
+	mediatek,mt7622-rfb1-ubi|\
+	ruijie,rg-ew3200gx-pro)
 		ucidef_set_interfaces_lan_wan "lan1 lan2 lan3 lan4" wan
 		;;
 	buffalo,wsr-2533dhp2)
@@ -30,9 +31,24 @@ mediatek_setup_interfaces()
 	esac
 }
 
+mediatek_setup_macs()
+{
+	local board="$1"
+	local lan_mac=""
+
+	case $board in
+	ruijie,rg-ew3200gx-pro)
+		lan_mac=$(macaddr_add $(get_mac_label) 1)
+		;;
+	esac
+
+	[ -n "$lan_mac" ] && ucidef_set_interface_macaddr "lan" $lan_mac
+}
+
 board_config_update
 board=$(board_name)
 mediatek_setup_interfaces $board
+mediatek_setup_macs $board
 board_config_flush
 
 exit 0

target/linux/mediatek/mt7622/base-files/etc/hotplug.d/ieee80211/11_fix_wifi_mac

@@ -0,0 +1,17 @@
+[ "$ACTION" == "add" ] || exit 0
+
+PHYNBR=${DEVPATH##*/phy}
+
+[ -n $PHYNBR ] || exit 0
+
+. /lib/functions.sh
+. /lib/functions/system.sh
+
+board=$(board_name)
+
+case "$board" in
+	ruijie,rg-ew3200gx-pro)
+		[ "$PHYNBR" = "0" ] && macaddr_add $(get_mac_label) 3 > /sys${DEVPATH}/macaddress
+		[ "$PHYNBR" = "1" ] && macaddr_add $(get_mac_label) 2 > /sys${DEVPATH}/macaddress
+		;;
+esac