Buffalo WZR-900DHP has 8 LEDs, but there is not LED definitions in the
dts and cannot configure these LEDs.
I Added missing LED definitions for WZR-900DHP.
Signed-off-by: NINAGAKI Hiroshi <musashino.open@gmail.com>
Reviewed-by: NRafał Miłecki <rafal@milecki.pl>
Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com>