kwbimage: Update help message about how to extract from an existing image

Extracting is now supported by dumpimage, so mention it in help instead
of `kwbimage -x`.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>

diff --git a/tools/kwbimage.c b/tools/kwbimage.c
index 5665198..00cb338 100644 (file)
--- a/tools/kwbimage.c
+++ b/tools/kwbimage.c
@@ -961,7 +961,7 @@ static size_t image_headersz_v1(int *hasext)
                        fprintf(stderr,
                                "Didn't find the file '%s' in '%s' which is mandatory to generate the image\n"
                                "This file generally contains the DDR3 training code, and should be extracted from an existing bootable\n"
-                               "image for your board. See 'kwbimage -x' to extract it from an existing image.\n",
+                               "image for your board. Use 'dumpimage -T kwbimage -p 0' to extract it from an existing image.\n",
                                binarye->binary.file, dir);
                        return 0;
                }