forked from Mirrors/opensbi

We should use sbi_timer_mdelay() instead of custom gpio_mdelay() in the gpio reset driver. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Xiang W <wxjstz@126.com>