Updated git submodules

Project: appc amsterdam 1ec98382a7648a5fecace0c96a1a11ec8eef9042

Missing plugin version

(cherry-pick from master branch)

Yang plugin had missing version causing build failure.
For some reason, it just now became an issue.

Change-Id: If9651a9cdc5f568cd2361fc0e1e80088843b1292
Signed-off-by: Patrick Brady <pb071s@att.com>
Issue-ID: APPC-324

diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index 9e17fa3..1ec9838 160000 (submodule)
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit 9e17fa3e7a4823d6585c64581ba8687b07b11844
+Subproject commit 1ec98382a7648a5fecace0c96a1a11ec8eef9042