scripts/machine-summary: don't mark denied patches as good

A patch in denied state isn't good, it's bad.

Signed-off-by: Ross Burton <ross.burton@arm.com>

scripts/report-details.html.jinja

@@ -6,9 +6,9 @@
   {% set status = status.split()[0] %}
   {% if status in ("Unknown", "Pending") %}
     {% set class = "is-danger" %}
-  {% elif status in ("Backport", "Accepted", "Inappropriate") %}
+  {% elif status in ("Backport", "Accepted", "Inappropriate", "Denied") %}
     {% set class = "is-success" %}
-  {% elif status in ("Submitted", "Denied") %}
+  {% elif status in ("Submitted",) %}
     {% set class = "is-info" %}
   {% else %}
     {% set class = "is-info" %}