net: rename netdev_phys_port_id to more generic name

So this can be reused for identification of other "items" as well.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Reviewed-by: Thomas Graf <tgraf@suug.ch>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Andy Gospodarek <gospo@cumulusnetworks.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 1a24602..26c46f4 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -404,7 +404,7 @@
 		return restart_syscall();
 
 	if (dev_isalive(netdev)) {
-		struct netdev_phys_port_id ppid;
+		struct netdev_phys_item_id ppid;
 
 		ret = dev_get_phys_port_id(netdev, &ppid);
 		if (!ret)