A typo snuck in with the addition of Cudy M1800, changing
"nr7101" to "nt7101". The result is a default network config
for NR7101 without the only ethernet interface on the NR7101,
thereby soft bricking it.
Fixes: f6d394e9f2 ("ramips: add support for Cudy M1800")
Signed-off-by: Bjørn Mork <bjorn@mork.no>
(cherry picked from commit 2e57028424d0e914490a80178cd729adb17ba09b)
77061285e4