ramips: backport TP-Link RE200 v3/v4 LED fix

ramips: backport TP-Link RE200 v3/v4 LED fix

This backports a commit which fixes LEDs vor the RE200 like this:

Set power LED to gpio 43 instead of 44 for v3 and v4.
Set red wifi LED to gpio 40 (was assigned to `red:wifi5g`).

Tested by the author of the initial v3 and v4 commit.

Tested-by: Richard Fröhning <[email protected]>
Signed-off-by: Sungbo Eo <[email protected]>
Signed-off-by: Jan-Niklas Burfeind <[email protected]>
(cherry picked from commit 02aa7a2bb9b6bdc8033d30c97f5b49534206a37c)