Adding OpenWrt support for Xiaomi AX6000

CCC

root@OpenWrt:~# strings /dev/mtd15
7SN=*****/F0ZH*****
color=101
model=RA72
CountryCode=CN
miot_did=*******
miot_key=*******
wl1_ssid=xiaomi-router-ra72_miap****
wl0_ssid=xiaomi-router-ra72_miap****_5G
wl2_ssid=xiaomi-router-ra72_miap****
telnet_en=1
ssh_en=1
uart_en=1
DisableTencent=1

The wifi speed hasn't change for me this last build, download/upload tops at around 140Mbps while wired goes up to 250 :thinking:

No LEDs came up, only the power. I've attempted to set all to on and still nothing came up: