m68k: add Sysam AMCORE open board support

Add support for Sysam AMCORE board, an open hardware embedded Linux
board, see http://sysam.it/openzone/projects/amcore/amcore.html for
any info.

Signed-off-by: Angelo Dureghello <angelo@sysam.it>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine
index 2a5c7ab..9225b4a 100644
--- a/arch/m68k/Kconfig.machine
+++ b/arch/m68k/Kconfig.machine
@@ -259,6 +259,12 @@
 	help
 	  Support for the Motorola M5407C3 board.
 
+config AMCORE
+	bool "Sysam AMCORE board support"
+	depends on M5307
+	help
+	  Support for the Sysam AMCORE open-hardware generic board.
+
 config FIREBEE
 	bool "FireBee board support"
 	depends on M547x