dt-bindings: PCI: brcmstb: Update bindings for PCIe on BCM2712

Update PCIe controller bindings with BCM2712 support.

Signed-off-by: Stanimir Varbanov <svarbanov@suse.de>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Ivan T. Ivanov <iivanov@suse.de>
Link: https://lore.kernel.org/r/20250120130119.671119-3-svarbanov@suse.de
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>

Author: Stanimir Varbanov

Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml

@@ -14,6 +14,7 @@ properties:
     items:
       - enum:
           - brcm,bcm2711-pcie # The Raspberry Pi 4
+          - brcm,bcm2712-pcie # Raspberry Pi 5
           - brcm,bcm4908-pcie
           - brcm,bcm7211-pcie # Broadcom STB version of RPi4
           - brcm,bcm7216-pcie # Broadcom 7216 Arm
@@ -102,7 +103,10 @@ properties:
 
   reset-names:
     minItems: 1
-    maxItems: 3
+    items:
+      - enum: [perst, rescal]
+      - const: bridge
+      - const: swinit
 
   brcm,tperst-clk-ms:
     category: optional