m68k: add amcore board support

Add Sysam Amcore m68k-based board support.

Signed-off-by: Angelo Dureghello <angelo@sysam.it>
diff --git a/board/sysam/amcore/Makefile b/board/sysam/amcore/Makefile
new file mode 100644
index 0000000..051186f
--- /dev/null
+++ b/board/sysam/amcore/Makefile
@@ -0,0 +1,7 @@
+#
+# (C) Copyright 2014  Angelo Dureghello <angelo@sysam.it>
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y	= amcore.o