forked from Mirrors/opensbi

Make gpio_system_reset_check return priority instead of just true/false. Make default 128 priority for reset/shutdown. Tested-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Alexandre Ghiti <alexandre.ghiti@canonical.com> Tested-by: Alexandre Ghiti <alexandre.ghiti@canonical.com> Signed-off-by: Nikita Shubin <n.shubin@yadro.com>