wic: add help for --bmap commandline option

Included description of -m/--bmap option to the help page
produced by 'wic help create'.

[YOCTO #9413]

(From OE-Core rev: 7c749d4cfe1642d70a6b3643422ef69dec1775fe)

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

1 files changed, 4 insertions, 1 deletions

diff --git a/scripts/lib/wic/help.py b/scripts/lib/wic/help.py
index 7dcc71740b..63955962f6 100644
--- a/scripts/lib/wic/help.py
+++ b/scripts/lib/wic/help.py
@@ -152,7 +152,7 @@ SYNOPSIS
         [-e | --image-name] [-s, --skip-build-check] [-D, --debug]
         [-r, --rootfs-dir] [-b, --bootimg-dir]
         [-k, --kernel-dir] [-n, --native-sysroot] [-f, --build-rootfs]
-        [-c, --compress-with]
+        [-c, --compress-with] [-m, --bmap]
 
 DESCRIPTION
     This command creates an OpenEmbedded image based on the 'OE
@@ -221,6 +221,9 @@ DESCRIPTION
 
     The -c option is used to specify compressor utility to compress
     an image. gzip, bzip2 and xz compressors are supported.
+
+    The -m option is used to produce .bmap file for the image. This file
+    can be used to flash image using bmaptool utility.
 """
 
 wic_list_usage = """