[][MT7981][modify dynamic TXBM setting]

[Description]
Fix DTS to align the typo fixed of WARP parser
Add dynamic TXBM upper bound setting

[Release-log]
N/A


Change-Id: Id46a8ea1084da02047d4f916b2552c6d7fdf4a4e
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5292648
1 file changed