driver core: fix a lot of printk usages of bus_id

We have the dev_printk() variants for this kind of thing, use them
instead of directly trying to access the bus_id field of struct device.

This is done in order to remove bus_id entirely.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index f3132aa..f6f52c1 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -471,7 +471,7 @@
 	device->dev.release = &acpi_device_release;
 	result = device_add(&device->dev);
 	if(result) {
-		printk(KERN_ERR PREFIX "Error adding device %s", device->dev.bus_id);
+		dev_err(&device->dev, "Error adding device\n");
 		goto end;
 	}