Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/arm/boot/dts/imx28-apx4devkit.dts b/arch/arm/boot/dts/imx28-apx4devkit.dts
index 96faa53..3a184d1 100644
--- a/arch/arm/boot/dts/imx28-apx4devkit.dts
+++ b/arch/arm/boot/dts/imx28-apx4devkit.dts
@@ -7,6 +7,7 @@
 	compatible = "bluegiga,apx4devkit", "fsl,imx28";
 
 	memory@40000000 {
+		device_type = "memory";
 		reg = <0x40000000 0x04000000>;
 	};
 
@@ -18,7 +19,7 @@
 				status = "okay";
 			};
 
-			ssp0: ssp@80010000 {
+			ssp0: spi@80010000 {
 				compatible = "fsl,imx28-mmc";
 				pinctrl-names = "default";
 				pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_sck_cfg>;
@@ -26,7 +27,7 @@
 				status = "okay";
 			};
 
-			ssp2: ssp@80014000 {
+			ssp2: spi@80014000 {
 				compatible = "fsl,imx28-mmc";
 				pinctrl-names = "default";
 				pinctrl-0 = <&mmc2_4bit_pins_apx4 &mmc2_sck_cfg_apx4>;