meta-facebook: Change BMC console baud rate

Updated BMC console baud rate to 57600 to match with server
baud rate.

Change-Id: I7f02762647c50e1d8d3e2749b5f88479315af0fa
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
diff --git a/meta-tiogapass/conf/machine/tiogapass.conf b/meta-tiogapass/conf/machine/tiogapass.conf
index fa4c016..e36e030 100644
--- a/meta-tiogapass/conf/machine/tiogapass.conf
+++ b/meta-tiogapass/conf/machine/tiogapass.conf
@@ -6,6 +6,8 @@
 require conf/machine/include/ast2500.inc
 require conf/machine/include/obmc-bsp-common.inc
 
+SERIAL_CONSOLES = "57600;ttyS4"
+
 OBMC_MACHINE_FEATURES += "\
         obmc-phosphor-fan-mgmt \
         obmc-phosphor-chassis-mgmt \