wic: Add missing docstrings to plugin classes

Docstings from plugin classes are used as part of
output of 'wic help plugins'. Adding them makes help page
more informative.

(From OE-Core rev: d4414b45c81ab539f75a7bb16fc6412c30dfc45f)

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

1 files changed, 4 insertions, 0 deletions

diff --git a/scripts/lib/wic/plugins/source/rootfs.py b/scripts/lib/wic/plugins/source/rootfs.py
index 0ee383efb7..12fbf67a6e 100644
--- a/scripts/lib/wic/plugins/source/rootfs.py
+++ b/scripts/lib/wic/plugins/source/rootfs.py
@@ -32,6 +32,10 @@ from wic.pluginbase import SourcePlugin
 from wic.utils.oe.misc import find_bitbake_env_lines, find_artifact
 
 class RootfsPlugin(SourcePlugin):
+    """
+    Populate partition content from a rootfs directory.
+    """
+
     name = 'rootfs'
 
     @staticmethod