[][kernel][mt7988][dts][Add WIFI HW reset pin]

[Description]
Add resst pin as WIFI needs HW reset when reboot.

[Release-log]
NA

Change-Id: I0146a6c96b9e7abf2e16c23de95eec656d1606da
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8227162
23 files changed