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/Kconfig b/board/amlogic/odroid-c2/Kconfig
new file mode 100644
index 0000000..2b16889
--- /dev/null
+++ b/board/amlogic/odroid-c2/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_ODROID_C2
+
+config SYS_BOARD
+	default "odroid-c2"
+
+config SYS_VENDOR
+	default "amlogic"
+
+config SYS_CONFIG_NAME
+	default "odroid-c2"
+
+endif