[201811 sub module] advance utilitie sub module (#2695)

Submodule src/sonic-utilities 2fe01fe..9d9aaa0:
  > [warm/fast reboot] setup control plane assistant when available (#487)
  > [reboot script] add -h, -? options (#484)

Signed-off-by: Ying Xie <ying.xie@microsoft.com>
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Ying Xie 2019-03-22 13:58:53 -07:00 committed by GitHub
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commit 14e3c60ae4
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Subproject commit 2fe01fe5bb0d2b44a1e5b4f0b30df931c71a52a8
Subproject commit 9d9aaa00acbf4c0341969ee54aa2e84ff45d947d