[][MT76][WED][Fix ccif tx ring cleanup error]

[Description]
Fix ccif tx ring cleanup error

[Release-log]
N/A

Change-Id: I907e2d016e6389034dd35eac11eb6d2dec067102
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6435524
1 file changed