dt-bindings: PCI: dwc: Update maxItems of reg and reg-names

Update maxItems of reg and reg-names on both host and endpoint
for supporting Renesas R-Car Gen4 PCIe controllers later.

Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Serge Semin <[email protected]>
Acked-by: Conor Dooley <[email protected]>
Acked-by: Manivannan Sadhasivam <[email protected]>
Acked-by: Rob Herring <[email protected]>

Author: shimoday

Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml

@@ -33,11 +33,11 @@ properties:
       specific for each activated function, while the rest of the sub-spaces
       are common for all of them (if there are more than one).
     minItems: 2
-    maxItems: 6
+    maxItems: 7
 
   reg-names:
     minItems: 2
-    maxItems: 6
+    maxItems: 7
 
   interrupts:
     description:

Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml

@@ -33,11 +33,11 @@ properties:
       normal controller functioning. iATU memory IO region is also required
       if the space is unrolled (IP-core version >= 4.80a).
     minItems: 2
-    maxItems: 5
+    maxItems: 7
 
   reg-names:
     minItems: 2
-    maxItems: 5
+    maxItems: 7
     items:
       oneOf:
         - description:

Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml

@@ -42,11 +42,11 @@ properties:
       are required for the normal controller work. iATU memory IO region is
       also required if the space is unrolled (IP-core version >= 4.80a).
     minItems: 2
-    maxItems: 5
+    maxItems: 7
 
   reg-names:
     minItems: 2
-    maxItems: 5
+    maxItems: 7
     items:
       oneOf:
         - description: