Updated git submodules

Project: so master 5620466ed7664346278e99967d8600b127454091

Update Known issues

Issue-ID: SO-660

Change-Id: Iec417a8a70c496cccf111f8a0fe3599f0d73ed23
Signed-off-by: seshukm <seshu.kumar.m@huawei.com>


diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 296ce73..5620466 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 296ce73c352e4c3de7d4f1ad588d9a5383caa030
+Subproject commit 5620466ed7664346278e99967d8600b127454091