arch/arm/src/stm32h5/stm32_usbdrdhost.c: Fixed Hub support

Fixed a few bugs in the initial stm32_usbdrdhost.c implementation
when using a USB hub. Fixed fault when freeing control endpoints.
Fixed crash when disconnecting devices from hubs due ot use after free.

Signed-off-by: daniellizewski <daniellizewski@geotab.com>

boards/arm/stm32h5/nucleo-h563zi/configs/usbmsc/defconfig

@@ -54,4 +54,5 @@ CONFIG_STM32H5_USE_HSE=y
 CONFIG_SYSTEM_NSH=y
 CONFIG_TASK_NAME_SIZE=0
 CONFIG_USART3_SERIAL_CONSOLE=y
+CONFIG_USBHOST_HUB=y
 CONFIG_USBHOST_MSC=y

boards/arm/stm32h5/nucleo-h563zi/src/stm32_usb.c

@@ -151,6 +151,16 @@ int stm32_usbhost_initialize(void)
 
   uinfo("Register class drivers\n");
 
+#ifdef CONFIG_USBHOST_HUB
+  /* Initialize USB hub class support */
+
+  ret = usbhost_hub_initialize();
+  if (ret < 0)
+    {
+      uerr("ERROR: usbhost_hub_initialize failed: %d\n", ret);
+    }
+#endif
+
 #ifdef CONFIG_USBHOST_MSC
   /* Register the USB mass storage class class */