Use a pointer to pass image address to fsl_secboot_validate(),
instead of using environmental variable "img_addr".
Signed-off-by: NAneesh Bansal <aneesh.bansal@nxp.com>
Signed-off-by: NSaksham Jain <saksham.jain@nxp.com>
Reviewed-by: NYork Sun <york.sun@nxp.com>