Merge branch 'bugfix/mqtt_submodule_ref_update_v3.2' into 'release/v3.2'

mqtt: update submodule to point to latest commit (backport v3.2)

See merge request espressif/esp-idf!7288
This commit is contained in:
Angus Gratton 2020-01-22 11:29:18 +08:00
commit 3b7777e22d

@ -1 +1 @@
Subproject commit e3b013e2db58124ea68cf7c8f44a8cba6e1572b7
Subproject commit 86fc8b7584f7f3aebf422843d84a26655e485fbe