Required properties:
- compatible should contain:
+ * "mediatek,mt8135-uart" for MT8135 compatible UARTS
+ * "mediatek,mt8127-uart" for MT8127 compatible UARTS
* "mediatek,mt8173-uart" for MT8173 compatible UARTS
* "mediatek,mt6589-uart" for MT6589 compatible UARTS
* "mediatek,mt6582-uart" for MT6582 compatible UARTS