[][MAC80211][build][Change mwctrl to mwctl]

[Description]
Change mwctrl to mwctl

[Release-log]
N/A

Change-Id: I0414a6c858b2a4ecb200a6cb07a5b74dca014e2e
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6296156
1 file changed