add meta/kernel.yaml to the kernel snaps

debian/changelog

@@ -5,6 +5,9 @@ livecd-rootfs (2.408.5) UNRELEASED; urgency=medium
     arm64 builds from a different location for ubuntu-touch.
   * Add the new dhcpd user introduced by latest archive changes.
 
+  [ Michael Vogt ]
+  * add meta/kernel.yaml to the kernel snaps
+
  -- Steve Langasek <steve.langasek@ubuntu.com>  Wed, 14 Sep 2016 18:58:26 +0000
 
 livecd-rootfs (2.408.4) xenial; urgency=medium

live-build/auto/build

@@ -568,6 +568,10 @@ EOF
 
         VERSION=$kvers+$(date +20%y%m%d.%H-%M)
 
+        cat > meta/kernel.yaml <<EOF
+version: $kvers
+EOF
+        
         cat > meta/snap.yaml <<EOF
 name: $metaname
 version: $VERSION