dwc_otg: don't leak kernel address

Since commit ad67b74 ("printk: hash addresses printed with %p"),
an obfuscated kernel pointer is printed at boot:

    dwc_otg fe980000.usb: base=(____ptrval____)

Remove the the print completely, as it's useless without the address.

Signed-off-by: Matteo Croce <mcroce@redhat.com>

drivers/usb/host/dwc_otg/dwc_otg_driver.c

@@ -834,7 +834,6 @@ static int dwc_otg_driver_probe(
 		retval = -ENOMEM;
 		goto fail;
 	}
-	dev_info(&_dev->dev, "base=%p\n", dwc_otg_device->os_dep.base);
 #endif
 
 	/*