Adding support for Arris NVG443B?

For Developers
3

BCM63148 (SOC): probably yes
xDSL modem: never
FXS: never
BCM43217 (2.4 GHz): never[0]
BCM43602 (5 GHz): maybe, brcmfmac

…not a whole lot kicking left.

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[0] only basic support via b43, limited to 54 MBit/s