arm: nuvoton: Add support for Nuvoton NPCM750 BMC

Add basic support for the Nuvoton NPCM750 EVB (Poleg).

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
diff --git a/board/nuvoton/poleg_evb/Kconfig b/board/nuvoton/poleg_evb/Kconfig
new file mode 100644
index 0000000..d3f4c1d
--- /dev/null
+++ b/board/nuvoton/poleg_evb/Kconfig
@@ -0,0 +1,25 @@
+if TARGET_POLEG
+
+config SYS_BOARD
+	default "poleg_evb"
+
+config SYS_VENDOR
+	default "nuvoton"
+
+config SYS_CONFIG_NAME
+	default "poleg"
+
+choice
+	prompt "Target board select"
+	default TARGET_POLEG_EVB
+
+config TARGET_POLEG_EVB
+	bool "Poleg EVB"
+	help
+	  poleg EVB is Nuvoton evaluation board for NPCM750 SoC,
+	  supports general functions of Basebase Management
+	  Controller(BMC).
+
+endchoice
+
+endif