[sub module] advance sonic-utilities sub module for 201811 branch (#2619)

Submodule src/sonic-utilities ff1448c..f95da07:
  > [fast/warm reboot] set default reboot method to "kexec -e" (#473)

Signed-off-by: Ying Xie <ying.xie@microsoft.com>
This commit is contained in:
Ying Xie 2019-02-28 15:11:14 -08:00 committed by lguohan
parent a06f5901d0
commit 8617923cd1

@ -1 +1 @@
Subproject commit ff1448cd374126f03ac19feb5a047be8a030ca25
Subproject commit f95da07de0ccd38cf71e1ffe57124b70a5bcfa72