USB: FHCI: use dev_name() in place of bus_id.

Replace references to bus_id with dev_name() to fix fhci driver build break.

drivers/usb/host/fhci-hcd.c:586: error: struct device has no member named bus_id
drivers/usb/host/fhci-hcd.c:653: error: struct device has no member named bus_id
drivers/usb/host/fhci-dbg.c:111: error: struct device has no member named bus_id

Signed-off-by: Sachin Sant <sachinp@in.ibm.com>
Acked-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/fhci-dbg.c

@@ -108,7 +108,7 @@ void fhci_dfs_create(struct fhci_hcd *fhci)
 {
 	struct device *dev = fhci_to_hcd(fhci)->self.controller;
 
-	fhci->dfs_root = debugfs_create_dir(dev->bus_id, NULL);
+	fhci->dfs_root = debugfs_create_dir(dev_name(dev), NULL);
 	if (!fhci->dfs_root) {
 		WARN_ON(1);
 		return;

drivers/usb/host/fhci-hcd.c

@@ -583,7 +583,7 @@ static int __devinit of_fhci_probe(struct of_device *ofdev,
 	if (sprop && strcmp(sprop, "host"))
 		return -ENODEV;
 
-	hcd = usb_create_hcd(&fhci_driver, dev, dev->bus_id);
+	hcd = usb_create_hcd(&fhci_driver, dev, dev_name(dev));
 	if (!hcd) {
 		dev_err(dev, "could not create hcd\n");
 		return -ENOMEM;
@@ -650,7 +650,7 @@ static int __devinit of_fhci_probe(struct of_device *ofdev,
 			}
 		}
 
-		ret = gpio_request(gpio, dev->bus_id);
+		ret = gpio_request(gpio, dev_name(dev));
 		if (ret) {
 			dev_err(dev, "failed to request gpio %d", i);
 			goto err_gpios;