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/Makefile b/board/nuvoton/poleg_evb/Makefile
new file mode 100644
index 0000000..377433d
--- /dev/null
+++ b/board/nuvoton/poleg_evb/Makefile
@@ -0,0 +1 @@
+obj-y	:= poleg_evb.o