lava_helper: Add multiple image support to jinja2 binary templating

Signed-off-by: Gergely Korcsák <gergely.korcsak@arm.com>
Change-Id: I1cf213f50dd8e6aa566ee985637ed0e4c2c9abbb
diff --git a/lava_helper/jinja2_templates/qemu_mps2_bl2.jinja2 b/lava_helper/jinja2_templates/qemu_mps2_bl2.jinja2
index 0542060..84f32fd 100644
--- a/lava_helper/jinja2_templates/qemu_mps2_bl2.jinja2
+++ b/lava_helper/jinja2_templates/qemu_mps2_bl2.jinja2
@@ -9,7 +9,7 @@
     images:
 {% for name, img in binaries.items() %}
       {{ name }}:
-        image_arg: "{{ '-device loader,file={' ~ name.upper() ~ '},addr=' ~ img.offset }}"
+        image_arg: "{{ '-device loader,file={' ~ name ~ '},addr=' ~ img.offset }}"
         url: {{ data_url_prefix }}/{{ img.data }}
 {% endfor %}
     to: tmpfs