[][[mt76-vendor] Add phy capability ctrl/dump vendor command]

[Description]
Fix wrong size in tb buffer and fix printf

[Release-log]
N/A

Change-Id: I66153eb721a7fd499cc2704f83c979b50d206e84
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6143094
1 file changed