rambi: Enable internal keyboard

The EC LPC init function needs to run to enable the internal keyboard.

I needed this to confirm that it is just USB keyboards that are causing
all sorts of issues.

BUG=chrome-os-partner:23635
BRANCH=rambi
TEST=boot to recovery screen and hit tab

Change-Id: Iea0fc66ba62ea7da71ef83c26e25ae32bef102bd
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/175207
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/4915
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)

src/soc/intel/baytrail/southcluster.c

@@ -385,7 +385,7 @@ static struct device_operations device_ops = {
 	.enable_resources	= NULL,
 	.init			= NULL,
 	.enable			= southcluster_enable_dev,
-	.scan_bus		= NULL,
+	.scan_bus		= scan_static_bus,
 	.ops_pci		= &soc_pci_ops,
 };