[201811][utilities] advance sonic-utilities sub module head (#3411)

Submodule src/sonic-utilities 4f72e14..11b4cf1:
  > [fast-reboot] Check if ASIC config has changed before warm reboot (#621)
  > [neighbor_advertiser]: Change the ICMPv6 type to 135 (#629)
  > [acl_loader]: Fix show mirror_session error (#580)

Signed-off-by: Ying Xie <ying.xie@microsoft.com>
This commit is contained in:
Ying Xie 2019-09-06 16:43:14 -07:00 committed by GitHub
parent aa33644d3c
commit 97130ee188
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Subproject commit 4f72e146647d2ebb93b9e6eb327337942cc68b14
Subproject commit 11b4cf14631eb6a42eb7bcb00d5dcc7fdc5510ca