odroid: kconfig: add odroid_defconfig

This config is valid for two devices:
- Odroid X2,
- Odroid U3.

Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Cc: Tom Rini <trini@ti.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/board/samsung/odroid/MAINTAINERS b/board/samsung/odroid/MAINTAINERS
new file mode 100644
index 0000000..2131d36
--- /dev/null
+++ b/board/samsung/odroid/MAINTAINERS
@@ -0,0 +1,6 @@
+ODROID BOARD
+M:	Przemyslaw Marczak <p.marczak@samsung.com>
+S:	Maintained
+F:	board/samsung/odroid/
+F:	include/configs/odroid.h
+F:	configs/odroid_defconfig