dt-bindings: PCI: mediatek-gen3: Support mt8195

In order to support mt8195 pcie node, update the yaml to support new
properties of iommu and power-domain, and update the reset-names
property to allow only one 'mac' name.

Link: https://lore.kernel.org/r/20221103025656.8714-2-tinghan.shen@mediatek.comSigned-off-by: NJianjun Wang <jianjun.wang@mediatek.com>
Signed-off-by: NTingHan Shen <tinghan.shen@mediatek.com>
Signed-off-by: NLorenzo Pieralisi <lpieralisi@kernel.org>
Reviewed-by: NAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: NRob Herring <robh@kernel.org>

Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml

@@ -70,15 +70,21 @@ properties:
     minItems: 1
     maxItems: 8
 
+  iommu-map:
+    maxItems: 1
+
+  iommu-map-mask:
+    const: 0
+
   resets:
     minItems: 1
     maxItems: 2
 
   reset-names:
     minItems: 1
+    maxItems: 2
     items:
-      - const: phy
-      - const: mac
+      enum: [ phy, mac ]
 
   clocks:
     maxItems: 6
@@ -107,6 +113,9 @@ properties:
     items:
       - const: pcie-phy
 
+  power-domains:
+    maxItems: 1
+
   '#interrupt-cells':
     const: 1