Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/arm/boot/dts/bcm28155-ap.dts b/arch/arm/boot/dts/bcm28155-ap.dts
index 9ce91dd..ead6e98 100644
--- a/arch/arm/boot/dts/bcm28155-ap.dts
+++ b/arch/arm/boot/dts/bcm28155-ap.dts
@@ -21,7 +21,8 @@
 	model = "BCM28155 AP board";
 	compatible = "brcm,bcm28155-ap", "brcm,bcm11351";
 
-	memory {
+	memory@80000000 {
+		device_type = "memory";
 		reg = <0x80000000 0x40000000>; /* 1 GB */
 	};