Spelling fixes

Spelling errors found using github.com/lucasdemarchi/codespell
A tool to fix common misspellings.
This tool is licensed under GNU General Public License, version 2.

Change-Id: Ia286ebed549741e15a9661f5797d71e9f93ae83d
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/module/obmc/wsgi/apps/rest_dbus.py b/module/obmc/wsgi/apps/rest_dbus.py
index 6f800e9..03a039d 100644
--- a/module/obmc/wsgi/apps/rest_dbus.py
+++ b/module/obmc/wsgi/apps/rest_dbus.py
@@ -338,9 +338,9 @@
 
     def find(self, path, method):
         method_list = []
-        busses = self.try_mapper_call(
+        buses = self.try_mapper_call(
             self.mapper.get_object, path=path)
-        for items in busses.items():
+        for items in buses.items():
             m = self.find_method_on_bus(path, method, *items)
             if m:
                 method_list.append(m)