util/abuild: Clean up usage

- Indent with spaces for consistency
- Change lbroot to cbroot
- Remove incomplete list of options from usage line
- Capitalize first word of all option text
- Alphabetize options other than version and help
- Move version and help options to the end

Change-Id: Id5bd4db8d7e3705cbbb93895a46a3608cd1b09e2
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/17724
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
1 file changed