[][mt76][Add AMSDU set and get control]

[Description]
Add AMSDU set/get control in mt76 vendor command support

[Release-log]
N/A

Change-Id: I9e21d8b139bc5e8d4663c030fbe153a71c2af74a
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6924221
1 file changed