fix(build): Set the submodule refs correctly

When code was moved to LF the submodule references were
not set to NNG 1.1.1 and Nanomsg 1.1.5.  This change
sets the reference points to the desired spots.

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I13582b6601cf58c035b9069a80a2f94ba6003d26
2 files changed