_update_help: fix script name
$0 is _update_help so update -h leads to : usage: /env/bin/_update_help so don't use $0 but hardcode update instead. Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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@ -1,6 +1,6 @@
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#!/bin/sh
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echo "usage: $0 -t <kernel|rootfs|barebox> -d <nor|nand> [-m tftp|xmodem] [-f imagename] -c"
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echo "usage: update -t <kernel|rootfs|barebox> -d <nor|nand> [-m tftp|xmodem] [-f imagename] -c"
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echo "update tools."
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echo ""
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echo "options"
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