Update to the latest app-templates version

No more needs to call any macro and only include
config.cmake file is mandatory. Common.cmake is include
from config.cmake file
Generation autobuild script in conf.d/autobuild dir

Change-Id: Ie4276cdb831884783bf0d909c183c5d6e45e7f55
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

diff --git a/conf.d/templates b/conf.d/templates
index 393a4f1..fe3c86e 160000 (submodule)
--- a/conf.d/templates
+++ b/conf.d/templates
@@ -1 +1 @@
-Subproject commit 393a4f164218c8a92b43f666f4cc4177fd1e3a1d
+Subproject commit fe3c86e6407ae45d7b5ab72df7911daa426caba8