Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/arm/boot/dts/imx6ull.dtsi b/arch/arm/boot/dts/imx6ull.dtsi
index cd1776a..b7e67d1 100644
--- a/arch/arm/boot/dts/imx6ull.dtsi
+++ b/arch/arm/boot/dts/imx6ull.dtsi
@@ -12,6 +12,7 @@
 /delete-node/ &crypto;
 
 &cpu0 {
+	clock-frequency = <900000000>;
 	operating-points = <
 		/* kHz	uV */
 		900000	1275000
@@ -22,7 +23,7 @@
 	>;
 	fsl,soc-operating-points = <
 		/* KHz	uV */
-		900000	1175000
+		900000	1250000
 		792000	1175000
 		528000	1175000
 		396000	1175000
@@ -30,6 +31,24 @@
 	>;
 };
 
+&ocotp {
+	compatible = "fsl,imx6ull-ocotp", "syscon";
+};
+
+&pxp {
+	compatible = "fsl,imx6ull-pxp";
+	interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+		     <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&usdhc1 {
+	compatible = "fsl,imx6ull-usdhc", "fsl,imx6sx-usdhc";
+};
+
+&usdhc2 {
+	compatible = "fsl,imx6ull-usdhc", "fsl,imx6sx-usdhc";
+};
+
 / {
 	soc {
 		aips3: aips-bus@2200000 {
@@ -39,6 +58,16 @@
 			reg = <0x02200000 0x100000>;
 			ranges;
 
+			dcp: crypto@2280000 {
+				compatible = "fsl,imx6ull-dcp", "fsl,imx28-dcp";
+				reg = <0x02280000 0x4000>;
+				interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clks IMX6ULL_CLK_DCP_CLK>;
+				clock-names = "dcp";
+			};
+
 			iomuxc_snvs: iomuxc-snvs@2290000 {
 				compatible = "fsl,imx6ull-iomuxc-snvs";
 				reg = <0x02290000 0x4000>;