meta-ampere: mtmitchell: initial support consoles

Add CPU console configuration so that users can use CPU console via
solssh and IPMI sol.

Tested:
1. Connect IPMI sol using "ipmitool sol activate" command via LAN.
2. Connect CPU console from WebUI.
3. Connect to CPU console via solssh:
  ssh -p 2200 root@<BMC IP>

Signed-off-by: Hieu Huynh <hieuh@os.amperecomputing.com>
Change-Id: I4a123eca30f1b6d6a702957e332d0b924bd8b3c6
diff --git a/meta-ampere/meta-mitchell/recipes-phosphor/console/obmc-console/server.ttyS0.conf b/meta-ampere/meta-mitchell/recipes-phosphor/console/obmc-console/server.ttyS0.conf
new file mode 100644
index 0000000..4025be3
--- /dev/null
+++ b/meta-ampere/meta-mitchell/recipes-phosphor/console/obmc-console/server.ttyS0.conf
@@ -0,0 +1,3 @@
+local-tty = ttyS0
+local-tty-baud = 115200
+logfile = /var/log/obmc-console-boot.log