baremetal: fix syntax errors

Signed-off-by: Thomas Schneider <qsx@qsx.re>

baremetal/tasks/main.yml

@@ -3,7 +3,7 @@
 
 - name: ensure baremetal-specific packages are installed
   apt:
-    name: {{ item }}
+    name: "{{ item }}"
     state: installed
   with_items:
     - lldpd