The log noise emmitted by this driver is overwhelming, even for developers
looking at specific issues. Demoting to debug allows individual messages
to be dynamically enabled instead.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Link: https://github.com/openwrt/openwrt/pull/17950
Signed-off-by: Sander Vanheule <sander@svanheule.net>