[][Fix pinctrl driving group and update dts]

[Description]
Fix pinctrl fail driving group, and add driving/bias setting
in dts for example

[Release-log]
N/A

Change-Id: Ia59d7fd7ff393da9b9edd0378cd4c99646c0c4a8
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4828769
5 files changed