thunderbolt: Add MODULE_DESCRIPTION

Add description about the driver to the module. No functional changes.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>

drivers/thunderbolt/nhi.c

@@ -1483,6 +1483,7 @@ static struct pci_device_id nhi_ids[] = {
 };
 
 MODULE_DEVICE_TABLE(pci, nhi_ids);
+MODULE_DESCRIPTION("Thunderbolt/USB4 core driver");
 MODULE_LICENSE("GPL");
 
 static struct pci_driver nhi_driver = {