git: fw_stub.awk: correct usage message

[Sascha Wildner]

commit a8d7b48a289dbb0a78d456e88d8b40e4792bd5f7
Author: Jan Sucan <sucanjan at fit.cvut.cz>
Date:   Mon Jun 5 16:16:59 2017 +0000

    fw_stub.awk: correct usage message
    
    * Add information about optional version and parent for the firmware
      image.
    
    * Show that the -m option is mandatory.

Summary of changes:
 sys/tools/fw_stub.awk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/a8d7b48a289dbb0a78d456e88d8b40e4792bd5f7


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