Add EC component for SMSC MEC1308/1310

Change-Id: I92109fb633a1a3090b4b1767dd119b8c8a1b5f81
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/828
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
diff --git a/src/ec/smsc/mec1308/Kconfig b/src/ec/smsc/mec1308/Kconfig
new file mode 100644
index 0000000..0a0b04a
--- /dev/null
+++ b/src/ec/smsc/mec1308/Kconfig
@@ -0,0 +1,4 @@
+config EC_SMSC_MEC1308
+	bool
+	help
+	Shared memory mailbox interface to SMSC MEC1308 Embedded Controller.