i2c_add_numbered_adapter is the wrong function to use here. It requires
setting nr to some value, otherwise it behaves the same as
i2c_add_adapter. nr is not set.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16825
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>