wic: use items instead of iteritems

Dictionary method 'iteritems' doesn't exist in Python 3.
Replaced 'iteritems' with 'items' to be able to run the
code under both Python 3 and Python 2.

[YOCTO #9412]

(From OE-Core rev: 5b14eb8d68aaca82de4f8f6bcb28ad6f4a5125d0)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/lib/wic/conf.py

@@ -70,7 +70,7 @@ class ConfigMgr(object):
         self.create = {}
 
         # initialize the values with defaults
-        for sec, vals in self.DEFAULTS.iteritems():
+        for sec, vals in self.DEFAULTS.items():
             setattr(self, sec, vals)
 
     def __set_ksconf(self, ksconf):

scripts/lib/wic/creator.py

@@ -41,7 +41,7 @@ class Creator(object):
 
         # get cmds from pluginmgr
         # mix-in do_subcmd interface
-        for subcmd, klass in pluginmgr.get_plugins('imager').iteritems():
+        for subcmd, klass in pluginmgr.get_plugins('imager').items():
             if not hasattr(klass, 'do_create'):
                 msger.warning("Unsupported subcmd: %s" % subcmd)
                 continue

scripts/lib/wic/help.py

@@ -66,7 +66,7 @@ def get_wic_plugins_help():
     result = wic_plugins_help
     for plugin_type in PLUGIN_TYPES:
         result += '\n\n%s PLUGINS\n\n' % plugin_type.upper()
-        for name, plugin in pluginmgr.get_plugins(plugin_type).iteritems():
+        for name, plugin in pluginmgr.get_plugins(plugin_type).items():
             result += "\n %s plugin:\n" % name
             if plugin.__doc__:
                 result += plugin.__doc__

scripts/lib/wic/plugin.py

@@ -81,7 +81,7 @@ class PluginMgr(object):
             # the value True/False means "loaded"
 
     def _load_all(self):
-        for (pdir, loaded) in self.plugin_dirs.iteritems():
+        for (pdir, loaded) in self.plugin_dirs.items():
             if loaded:
                 continue
 
@@ -135,7 +135,7 @@ class PluginMgr(object):
         None is returned.
         """
         return_methods = None
-        for _source_name, klass in self.get_plugins('source').iteritems():
+        for _source_name, klass in self.get_plugins('source').items():
             if _source_name == source_name:
                 for _method_name in methods.keys():
                     if not hasattr(klass, _method_name):