tools/bisect-create: Support "bisect run"

  Make it possible to use the run bisect sub command. As with all
other ffbisect commands, revisions that do not contain the needed
tools are skipped.
Signed-off-by: Alexander Strasser <eclipse7@gmx.net>

tools/bisect-create

@@ -39,4 +39,8 @@ case "$1" in
             git bisect skip || break
         done
     ;;
+    run)
+       shift # remove "run" from arguments
+       git bisect run sh -c "ls \`cat tools/bisect.need\` > /dev/null 2> /dev/null || exit 125; \"\$@\"" sh "$@"
+    ;;
 esac