group: add tf-l1-build-juno/juno-default:nil

Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
Change-Id: I987330bd5e42a2ebc2da59795402089227c2e643
diff --git a/group/tf-l1-build-juno/juno-default:nil b/group/tf-l1-build-juno/juno-default:nil
new file mode 100644
index 0000000..c75b524
--- /dev/null
+++ b/group/tf-l1-build-juno/juno-default:nil
@@ -0,0 +1,6 @@
+#
+# Copyright (c) 2019, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+