crypto: qat - when stopping all devices make fure VF are stopped first

When stopping all devices make sure VFs are stopped before the
corresponding PF.
VFs will always be after PF so just need to loop back.
Signed-off-by: NTadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/qat/qat_common/adf_ctl_drv.c

@@ -278,7 +278,7 @@ static int adf_ctl_stop_devices(uint32_t id)
 	struct list_head *itr, *head = adf_devmgr_get_head();
 	int ret = 0;
 
-	list_for_each(itr, head) {
+	list_for_each_prev(itr, head) {
 		struct adf_accel_dev *accel_dev =
 				list_entry(itr, struct adf_accel_dev, list);
 		if (id == accel_dev->accel_id || id == ADF_CFG_ALL_DEVICES) {