Merge branch 'nxp-demo' into 'master'

Add NXP (Volansys) gateway and gateway demo layers to build - Jira ES-146, ES-164

See merge request !12

default.xml

@@ -24,6 +24,8 @@
 
   <project remote="vesta" revision="master" name="meta-vesta" path="sources/meta-vesta"/>
   <project remote="vesta" revision="master" name="meta-swupdate" path="sources/meta-swupdate"/>
+  <project remote="vesta" revision="master" name="meta-volansys-gw" path="sources/meta-volansys-gw"/>
+  <project remote="vesta" revision="master" name="meta-volansys-gw-demo" path="sources/meta-volansys-gw-demo"/>
   <project remote="vesta" revision="master" name="bsp-base" path="sources/base">
 	<linkfile dest="setup-environment" src="setup-environment"/>
   </project>