[WIP] Nuvo-9420GL

UEFI for BIOS flash

# Change to USB drive
fs0:

# List files
ls

# Check All MAC
eeupdate64e.efi /mac_dump /all 

# For i219, BIN is prebuilt, only MAC needs to be reflashed
eeupdate64e.efi /NIC=1 /MAC=78D004XXXXXX 

# For i226, BIN + MAC needs to be reflashed
eeupdate64e.efi /NIC=2 /d I226_NV9K_v2.17.bin 

# Remember to shutdown and unplug power cord before using Ethernet