Merge branch 'develop'

YongsulOh · YongsulOh · commit 9531b9648e30 · 2021-03-04T12:20:20.000+09:00
* develop:
  Sync-up with iot-core 1.5.9
  Sync-up with iot-core 1.5.8

    |Conflicts:
    |	iot-core : Sync with latest iot-core
diff --git a/iot-core b/iot-core
@@ -1 +1 @@
-Subproject commit 6566d2212c703b515f562ca703c440707833c3f2
+Subproject commit f839cc3cca6549330f268ea172c88cf904501c58
