One can obtain those variables using next commands:
$ fastboot getvar cpu
$ fastboot getvar secure
$ fastboot getvar board_rev
$ fastboot getvar userdata_size
Those variables are needed for fastboot.sh script.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>