ARM: BCM5301X: Add missing Netgear R8000 LEDs

Add a bunch of LEDs missing for the Netgear R8000: wireless, wps, 5Ghz radio
and USB LEDs.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>