This fixes a simple logic error of the macaddr lookup in utils.uc.
It read from the wrong sysfs file and compared it without trimming.
Signed-off-by: Harin Lee <me@harin.net>
Link: https://github.com/openwrt/openwrt/pull/24070
Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>