Make sure to only release the 'images' repo on ARM

openSUSE:Factory:ARM introduced an 'images_staging' repo for the
ARMv7 stuff we need to ignore.

Re-fixes 0d98adb86595c761a7a1a5c0f887042a7403930e

totest-manager.py

@@ -309,6 +309,11 @@ class ToTestBase(object):
         if set_release:
             query['setrelease'] = set_release
 
+        # FIXME: make configurable. openSUSE:Factory:ARM currently has multiple
+        # repos with release targets, so obs needs to know which one to release
+        if project == 'openSUSE:Factory:ARM':
+            query['repository'] = 'images'
+
         baseurl = ['source', project, package]
 
         url = self.api.makeurl(baseurl, query=query)