powerpc/5200: dts: add missing pci ranges

Add ranges property to fix build warnings:
Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge)

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211013220532.24759-2-agust@denx.de

arch/powerpc/boot/dts/mpc5200b.dtsi

@@ -276,7 +276,9 @@ pci: pci@f0000d00 {
 		clock-frequency = <0>; // From boot loader
 		interrupts = <2 8 0 2 9 0 2 10 0>;
 		bus-range = <0 0>;
-		// ranges = need to add
+		ranges = <0x42000000 0 0x80000000 0x80000000 0 0x10000000>,
+			 <0x02000000 0 0x90000000 0x90000000 0 0x10000000>,
+			 <0x01000000 0 0x00000000 0xa0000000 0 0x01000000>;
 	};
 
 	localbus: localbus {