avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/tools/buildman/bsettings.py

@@ -0,0 +1,55 @@
+# Copyright (c) 2012 The Chromium OS Authors.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+import ConfigParser
+import os
+import StringIO
+
+
+def Setup(fname=''):
+    """Set up the buildman settings module by reading config files
+
+    Args:
+        config_fname:   Config filename to read ('' for default)
+    """
+    global settings
+    global config_fname
+
+    settings = ConfigParser.SafeConfigParser()
+    if fname is not None:
+        config_fname = fname
+        if config_fname == '':
+            config_fname = '%s/.buildman' % os.getenv('HOME')
+        if config_fname:
+            settings.read(config_fname)
+
+def AddFile(data):
+    settings.readfp(StringIO.StringIO(data))
+
+def GetItems(section):
+    """Get the items from a section of the config.
+
+    Args:
+        section: name of section to retrieve
+
+    Returns:
+        List of (name, value) tuples for the section
+    """
+    try:
+        return settings.items(section)
+    except ConfigParser.NoSectionError as e:
+        return []
+    except:
+        raise
+
+def SetItem(section, tag, value):
+    """Set an item and write it back to the settings file"""
+    global settings
+    global config_fname
+
+    settings.set(section, tag, value)
+    if config_fname is not None:
+        with open(config_fname, 'w') as fd:
+            settings.write(fd)