[][MAC80211][mt76][add 11BE flag in mt76 package Makefile]

[Description]
Add DRIVER_11BE_SUPPORT dependent for besra module.

[Release-log]
N/A

Change-Id: I8b53c6247529be05ed8e1b0bbc5a89f47d9bc451
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6094629
1 file changed