kalua: scheduler: incoming_wifi_activity() write some debug data in case of an ath9k-error
kalua: [bugfix/minor] scheduler: incoming_wifi_activity() typo in varname
(cherry picked from commit 16ecb97aeac31e9e606f65a7efb8335d727bc43c)

Signed-off-by: Andi Bräu <ab@andi95.de>