fvp-docker-images: Make setup-ubl script available during image building

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I0dd780c42ce5a2b2a527f4f55d26ff81a075fbde
diff --git a/fvp-docker-images/builders.sh b/fvp-docker-images/builders.sh
index bd43bf1..e629eb8 100644
--- a/fvp-docker-images/builders.sh
+++ b/fvp-docker-images/builders.sh
@@ -27,7 +27,7 @@
     df -h
     tag=$(./create-model-tag.sh $tarball)
     mkdir -p $tag
-    cp setup-sshd stdout-flush-wrapper*.sh $tag/
+    cp setup-sshd stdout-flush-wrapper*.sh setup-ubl $tag/
     mv $tarball $tag/
     cp swskt-linaro-root*.lic $tag/
     ./create-model-dockerfile.sh $tarball $tag