lantiq: td-w8980: fix failsafe mode via ethernet.
fix failsafe-mode access for TD-W8980 via ethernet.

Signed-off-by: Sven Rojek <git@klottenkiste.de>

lantiq: td-w8970: fix failsafe mode

Fix failsafe mode for TD-W8970, register interface for preinit.

Signed-off-by: Cezary Jackiewicz <cezary.jackiewicz@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44353 3c298f89-4303-0410-b956-a3cf2f4a3e73