[201811][utilities] advance utilities submodule head (#3981)

Submodule src/sonic-utilities 792df20..7a265b8:
  > A generic JSON file updater, which can add/update-existing attributes. (#770)

Signed-off-by: Ying Xie <ying.xie@microsoft.com>
This commit is contained in:
Ying Xie 2020-01-08 08:34:29 -08:00 committed by lguohan
parent 6d184b0546
commit dd0447c7c2

@ -1 +1 @@
Subproject commit 792df2038ef7f270b46f8e6d3c2c0a73ceb25911
Subproject commit 7a265b853a93216760cf5965be7c93923f3bdf33