Revert "MIPS: pci: lantiq: restore reset gpio polarity"

commit 6e5aee08 upstream.

This reverts commit 277a0363.

While fixing old boards with broken DTs, this change will break
newer ones with correct gpio polarity annotation.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>