Updated git submodules

Project: optf/has master 57e1819840dbf6e5531f0abd62350098723a7599

Add homing specification guide

Add the homing specification guide in the rst format. Need to keep this in sync with doc/template/README.md.

Issue-ID: OPTFRA-174
Change-Id: I8b16f21d9657838577a8dc5788b522d4577bf190
Signed-off-by: Shankar Narayanan <snarayanan@research.att.com>


diff --git a/docs/submodules/optf/has.git b/docs/submodules/optf/has.git
index bfcbea2..57e1819 160000
--- a/docs/submodules/optf/has.git
+++ b/docs/submodules/optf/has.git
@@ -1 +1 @@
-Subproject commit bfcbea292aa9e9c3e01bddd1cba80035c85df8ec
+Subproject commit 57e1819840dbf6e5531f0abd62350098723a7599