[][MAC80211][correct legacy rates check in ieee80211_calc_rx_airtime]

[Description]
Add this patch to fix the crash issue when 6g station connects to 6g ap.
Sync with mac80211 git.

[Release-log]
N/A

Change-Id: Ibc3678be5bf21d2b12ef11b1c97abc9294b024a5
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5867930
1 file changed