[PATCH 1/3] imx: hab: Allow hab_auth_img_or_fail to be called without ivt_offset

[sbabic at denx.de]

> From: Eduard Strehlau <eduard at lionizers.com>
> Since commit ea91031b2232 ("imx: hab: extend hab_auth_img to calculate
> ivt_offset"), it is possible to call the hab_auth_img command without the 
> last ivt_offset argument.
> Currently, calling hab_auth_img_or_fail without the last
> ivt_offset parameter causes a failure and the command usage text is shown.
> Fix this problem by adjusting the argc logic to allow
> calling hab_auth_img_or_fail with only the address and size parameters.
> This way, both hab_auth_img and hab_auth_img_or_fail have the same
> behavior with respect to the allowed number of command parameters.
>  
> Signed-off-by: Eduard Strehlau <eduard at lionizers.com>
> Signed-off-by: Fabio Estevam <festevam at denx.de>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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