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/bootimg-pcbios.py b/scripts/lib/wic/plugins/source/bootimg-pcbios.py
index ae5fc0ca2a..6ca68f6e7e 100644
--- a/scripts/lib/wic/plugins/source/bootimg-pcbios.py
+++ b/scripts/lib/wic/plugins/source/bootimg-pcbios.py
@@ -34,6 +34,10 @@ from wic.utils.oe.misc import exec_cmd, exec_native_cmd, \
                               get_bitbake_var, BOOTDD_EXTRA_SPACE
 
 class BootimgPcbiosPlugin(SourcePlugin):
+    """
+    Create MBR boot partition and install syslinux on it.
+    """
+
     name = 'bootimg-pcbios'
 
     @classmethod