ARM: dts: marvell: fix PCI bus dtc warnings

dtc recently added PCI bus checks. Fix these warnings.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm/boot/dts/armada-398-db.dts

@@ -118,7 +118,7 @@
 			};
 		};
 
-		pcie-controller {
+		pcie {
 			status = "okay";
 
 			pcie@1,0 {