reset upstream subtrees to HEAD

Reset the following subtrees on HEAD:
  poky: 8217b477a1(master)
  meta-xilinx: 64aa3d35ae(master)
  meta-openembedded: 0435c9e193(master)
  meta-raspberrypi: 490a4441ac(master)
  meta-security: cb6d1c85ee(master)

Squashed patches:
  meta-phosphor: drop systemd 239 patches
  meta-phosphor: mrw-api: use correct install path

Change-Id: I268e2646d9174ad305630c6bbd3fbc1a6105f43d
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/poky/scripts/lib/scriptutils.py b/poky/scripts/lib/scriptutils.py
index 31e48ea..0633c70 100644
--- a/poky/scripts/lib/scriptutils.py
+++ b/poky/scripts/lib/scriptutils.py
@@ -26,6 +26,8 @@
 import subprocess
 import sys
 import tempfile
+import importlib
+from importlib import machinery
 
 def logger_create(name, stream=None):
     logger = logging.getLogger(name)
@@ -37,12 +39,12 @@
 
 def logger_setup_color(logger, color='auto'):
     from bb.msg import BBLogFormatter
-    console = logging.StreamHandler(sys.stdout)
-    formatter = BBLogFormatter("%(levelname)s: %(message)s")
-    console.setFormatter(formatter)
-    logger.handlers = [console]
-    if color == 'always' or (color=='auto' and console.stream.isatty()):
-        formatter.enable_color()
+
+    for handler in logger.handlers:
+        if (isinstance(handler, logging.StreamHandler) and
+            isinstance(handler.formatter, BBLogFormatter)):
+            if color == 'always' or (color == 'auto' and handler.stream.isatty()):
+                handler.formatter.enable_color()
 
 
 def load_plugins(logger, plugins, pluginpath):
@@ -50,12 +52,9 @@
 
     def load_plugin(name):
         logger.debug('Loading plugin %s' % name)
-        fp, pathname, description = imp.find_module(name, [pluginpath])
-        try:
-            return imp.load_module(name, fp, pathname, description)
-        finally:
-            if fp:
-                fp.close()
+        spec = importlib.machinery.PathFinder.find_spec(name, path=[pluginpath] )
+        if spec:
+            return spec.loader.load_module()
 
     def plugin_name(filename):
         return os.path.splitext(os.path.basename(filename))[0]
@@ -70,6 +69,7 @@
                 plugin.plugin_init(plugins)
             plugins.append(plugin)
 
+
 def git_convert_standalone_clone(repodir):
     """If specified directory is a git repository, ensure it's a standalone clone"""
     import bb.process