minnowboard: use console/serial peripheral

Use console/serial peripheral.

BUG=none
Change-Id: I9f89ee6a70bf7775920e59298393b26c7c95990f
Tracked-On: https://jira01.devtools.intel.com/browse/BP-285
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
Signed-off-by: Viorel Suman <viorel.suman@intel.com>
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 4568bab..0642c0a 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -25,6 +25,8 @@
 $(call add_peripheral, intel, audio/generic/usb)
 # Add sensor support
 $(call add_peripheral, intel, sensors/mraa)
+# Add serial console support
+$(call add_peripheral, intel, console/serial)
 
 # Enable ADB-over-TCP on port 5555, started at boot
 $(call enable_adb_over_tcp, 5555, true)