wifi: ath11k: mac: fix long line

Recent mac80211 API changes introduced a long line warning in ath11k:

drivers/net/wireless/ath/ath11k/mac.c:1404: line length of 92 exceeds 90 columns

Compile tested only.

Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220708170052.28615-1-kvalo@kernel.org