board: amlogic: Rename folder for Amlogic boards

s/hardkernel/amlogic/ to have a single place for all the amlogic-based
boards.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Carlo Caione <carlo@endlessm.com>
Acked-by: Beniamino Galvani <b.galvani@gmail.com>
diff --git a/board/amlogic/odroid-c2/MAINTAINERS b/board/amlogic/odroid-c2/MAINTAINERS
new file mode 100644
index 0000000..699850f
--- /dev/null
+++ b/board/amlogic/odroid-c2/MAINTAINERS
@@ -0,0 +1,6 @@
+ODROID-C2
+M:	Beniamino Galvani <b.galvani@gmail.com>
+S:	Maintained
+F:	board/amlogic/odroid-c2/
+F:	include/configs/odroid-c2.h
+F:	configs/odroid-c2_defconfig