Merge pull request #870 from dhozac/setup-archtecture

Fix spelling of architecture for non-x86

library/setup

@@ -78,7 +78,7 @@ class Facts(object):
         elif Facts._I386RE.search(self.facts['machine']):
             self.facts['architecture'] = 'i386'
         else:
-            self.facts['archtecture'] = self.facts['machine']
+            self.facts['architecture'] = self.facts['machine']
         if self.facts['system'] == 'Linux':
             self.get_distribution_facts()