arm64: dts: Add PCIe0 and PCIe4 DT nodes for NS2

This patch enables PCIe0 and PCIe4 for NS2 by adding
appropriate DT nodes in NS2 DT.

Signed-off-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Anup Patel <anup.patel@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm64/boot/dts/broadcom/ns2-svk.dts

@@ -52,6 +52,14 @@
 	};
 };
 
+&pcie0 {
+	status = "ok";
+};
+
+&pcie4 {
+	status = "ok";
+};
+
 &i2c0 {
 	status = "ok";
 };