arm: lpc32xx: add EA LPC3250 DevKitv2 board support

Add basic support for running U-Boot on the Embedded Artists LPC3250
Developer's Kit v2 board by launching U-Boot from the board's s1l loader
(which comes pre-installed on the board).

Signed-off-by: Trevor Woerner <twoerner@gmail.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index da4d0ed..59d8078 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1117,6 +1117,8 @@
 
 dtb-$(CONFIG_TARGET_IMX8MM_CL_IOT_GATE) += imx8mm-cl-iot-gate.dtb
 
+dtb-$(CONFIG_TARGET_EA_LPC3250DEVKITV2) += lpc3250-ea3250.dtb
+
 targets += $(dtb-y)
 
 # Add any required device tree compiler flags here
diff --git a/arch/arm/dts/lpc3250-ea3250-u-boot.dtsi b/arch/arm/dts/lpc3250-ea3250-u-boot.dtsi
new file mode 100644
index 0000000..0c82e51
--- /dev/null
+++ b/arch/arm/dts/lpc3250-ea3250-u-boot.dtsi
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021 Trevor Woerner <twoerner@gmail.com>
+ */
+
+/{
+	model = "Embedded Artists LPC3250 DevKit v2 board based on the NXP LPC3250 SoC";
+	chosen {
+		stdout-path = &uart5;
+	};
+};
+
+&uart5 {
+	compatible = "nxp,lpc3220-uart", "ns16550a";
+};
diff --git a/arch/arm/mach-lpc32xx/Kconfig b/arch/arm/mach-lpc32xx/Kconfig
index 986ad73..185bda4 100644
--- a/arch/arm/mach-lpc32xx/Kconfig
+++ b/arch/arm/mach-lpc32xx/Kconfig
@@ -12,9 +12,13 @@
 config TARGET_WORK_92105
 	bool "Work Microwave Work_92105"
 
+config TARGET_EA_LPC3250DEVKITV2
+	bool "Embedded Artists LPC3250 Developer's Kit v2"
+
 endchoice
 
 source "board/timll/devkit3250/Kconfig"
 source "board/work-microwave/work_92105/Kconfig"
+source "board/ea/ea-lpc3250devkitv2/Kconfig"
 
 endif