serial: lpuart: add new compatible fsl, ls1028a-lpuart

The official ls1028a binding of the driver uses the following as
compatibles:
  compatible = "fsl,ls1028a-lpuart";

Add the missing compatible to the driver and update the device tree.
Signed-off-by: NMichael Walle <michael@walle.cc>
Reviewed-by: NVladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: NPriyanka Jain <priyanka.jain@nxp.com>

arch/arm/dts/fsl-ls1028a.dtsi

@@ -232,62 +232,56 @@
 		};
 
 		lpuart0: serial@2260000 {
-			compatible = "fsl,ls1021a-lpuart";
+			compatible = "fsl,ls1028a-lpuart";
 			reg = <0x0 0x2260000 0x0 0x1000>;
 			interrupts = <0 232 0x4>;
 			clocks = <&sysclk>;
 			clock-names = "ipg";
-			little-endian;
 			status = "disabled";
 		};
 
 		lpuart1: serial@2270000 {
-			compatible = "fsl,ls1021a-lpuart";
+			compatible = "fsl,ls1028a-lpuart";
 			reg = <0x0 0x2270000 0x0 0x1000>;
 			interrupts = <0 233 0x4>;
 			clocks = <&sysclk>;
 			clock-names = "ipg";
-			little-endian;
 			status = "disabled";
 		};
 
 		lpuart2: serial@2280000 {
-			compatible = "fsl,ls1021a-lpuart";
+			compatible = "fsl,ls1028a-lpuart";
 			reg = <0x0 0x2280000 0x0 0x1000>;
 			interrupts = <0 234 0x4>;
 			clocks = <&sysclk>;
 			clock-names = "ipg";
-			little-endian;
 			status = "disabled";
 		};
 
 		lpuart3: serial@2290000 {
-			compatible = "fsl,ls1021a-lpuart";
+			compatible = "fsl,ls1028a-lpuart";
 			reg = <0x0 0x2290000 0x0 0x1000>;
 			interrupts = <0 235 0x4>;
 			clocks = <&sysclk>;
 			clock-names = "ipg";
-			little-endian;
 			status = "disabled";
 		};
 
 		lpuart4: serial@22a0000 {
-			compatible = "fsl,ls1021a-lpuart";
+			compatible = "fsl,ls1028a-lpuart";
 			reg = <0x0 0x22a0000 0x0 0x1000>;
 			interrupts = <0 236 0x4>;
 			clocks = <&sysclk>;
 			clock-names = "ipg";
-			little-endian;
 			status = "disabled";
 		};
 
 		lpuart5: serial@22b0000 {
-			compatible = "fsl,ls1021a-lpuart";
+			compatible = "fsl,ls1028a-lpuart";
 			reg = <0x0 0x22b0000 0x0 0x1000>;
 			interrupts = <0 237 0x4>;
 			clocks = <&sysclk>;
 			clock-names = "ipg";
-			little-endian;
 			status = "disabled";
 		};
 

drivers/serial/serial_lpuart.c

@@ -553,6 +553,8 @@ static const struct dm_serial_ops lpuart_serial_ops = {
 static const struct udevice_id lpuart_serial_ids[] = {
 	{ .compatible = "fsl,ls1021a-lpuart", .data =
 		LPUART_FLAG_REGMAP_32BIT_REG | LPUART_FLAG_REGMAP_ENDIAN_BIG },
+	{ .compatible = "fsl,ls1028a-lpuart",
+		.data = LPUART_FLAG_REGMAP_32BIT_REG },
 	{ .compatible = "fsl,imx7ulp-lpuart",
 		.data = LPUART_FLAG_REGMAP_32BIT_REG },
 	{ .compatible = "fsl,vf610-lpuart"},