Allow defaults to be overridden with pillar

wireguard/map.jinja

@@ -13,9 +13,9 @@
     merge=salt['grains.filter_by'](osfamilymap, grain='os_family',
       merge=salt['grains.filter_by'](osmap, grain='os',
         merge=salt['grains.filter_by'](osfingermap, grain='osfinger',
-          merge=salt['grains.filter_by'](salt['grains.filter_by'](osarchmap, grain='osfinger'), grain='osarch')
+          merge=salt['grains.filter_by'](salt['grains.filter_by'](osarchmap, grain='osfinger'), grain='osarch',
+            merge=salt['pillar.get']('wireguard'))
         )
       )
     )
 ) %}
-