meta-yosemitev2: Change BMC console baud rate

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

(From meta-facebook rev: d1b8177fefe53818fb94a9c6d63628b22d197745)

Signed-off-by: Manikandan Elumalai <manikandan.hcl.ers.epl@gmail.com>
Change-Id: I00cf5232e6a3d5edf0d3b4bd619cb85afef7c416
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-facebook/meta-yosemitev2/conf/machine/yosemitev2.conf b/meta-facebook/meta-yosemitev2/conf/machine/yosemitev2.conf
index 45538ab..d37fc56 100644
--- a/meta-facebook/meta-yosemitev2/conf/machine/yosemitev2.conf
+++ b/meta-facebook/meta-yosemitev2/conf/machine/yosemitev2.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 \