ELECOM WRC-2533GHBK2-T has the almost same hardware as WRC-2533GHBK-I,
so separate the common parts from dts to dtsi.
Additionaly, add color/function properties to LED nodes and change the
trigger of wlan2g/wlan5g LED to "phy*tpt" trigger.
Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>
9fe648166e