wic/help.py: Document the new option "configfile"

This just adds the "configfile" option for the bootloader
to wic help.

[YOCTO #8728]

(From OE-Core rev: 597045657a1a635f667404306160f9ab2551e954)

Signed-off-by: Mariano Lopez <mariano.lopez@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/scripts/lib/wic/help.py b/scripts/lib/wic/help.py
index 9a778b69da..89fb7be950 100644
--- a/scripts/lib/wic/help.py
+++ b/scripts/lib/wic/help.py
@@ -740,6 +740,12 @@ DESCRIPTION
                   bootloader command-line - for example, the syslinux
                   APPEND or grub kernel command line.
 
+        --configfile: Specifies a user defined configuration file for
+                      the bootloader. This file must be located in the
+                      canned-wks folder or could be the full path to the
+                      file. Using this option will override any other
+                      bootloader option.
+
       Note that bootloader functionality and boot partitions are
       implemented by the various --source plugins that implement
       bootloader functionality; the bootloader command essentially