update(class/hub/usbh_hub): reduce critical section range

Signed-off-by: sakumisu <1203593632@qq.com>

class/hub/usbh_hub.c

@@ -706,8 +706,6 @@ int usbh_hub_deinitialize(struct usbh_bus *bus)
     struct usbh_hub *hub;
     size_t flags;
 
-    flags = usb_osal_enter_critical_section();
-
     hub = &bus->hcd.roothub;
     for (uint8_t port = 0; port < hub->nports; port++) {
         hport = &hub->child[port];
@@ -715,6 +713,8 @@ int usbh_hub_deinitialize(struct usbh_bus *bus)
         usbh_hubport_release(hport);
     }
 
+    flags = usb_osal_enter_critical_section();
+
     usb_hc_deinit(bus);
 
     usb_osal_leave_critical_section(flags);