Add PNP info to PCI attachment of ale driver

Reviewed by: imp, chuck
Submitted by: Lakhan Shiva Kamireddy <lakhanshiva@gmail.com>
Sponsored by: Google, Inc. (GSoC 2018)

sys/dev/ale/if_ale.c

@@ -178,6 +178,8 @@ static driver_t ale_driver = {
 static devclass_t ale_devclass;
 
 DRIVER_MODULE(ale, pci, ale_driver, ale_devclass, NULL, NULL);
+MODULE_PNP_INFO("U16:vendor;U16:device;D:#", pci, ale, ale_devs,
+    sizeof(ale_devs[0]), nitems(ale_devs));
 DRIVER_MODULE(miibus, ale, miibus_driver, miibus_devclass, NULL, NULL);
 
 static struct resource_spec ale_res_spec_mem[] = {