jenkinsfile: Force ostree-kernel-initramfs deploiment

For whatever reason, this license is sometimes missing, leading to a
build failure.

BugzID: 69247

Jenkinsfile

@@ -181,7 +181,7 @@ def build(env_in, image_type_in, single_fitImage) {
   if (single_fitImage) {
     sh "bash -c '. ./env.image${env} && bitbake -k virtual/netmodule-image'"
   } else {
-    sh "bash -c '. ./env.image${env} && bitbake -k netmodule-linux-image${image_type}'"
+    sh "bash -c '. ./env.image${env} && bitbake -fc populate_lic ostree-kernel-initramfs && bitbake -k netmodule-linux-image${image_type}'"
   }
 }