drivers/intel/i210.c: Get rid of device_t

Use of `device_t` has been abandoned in ramstage.

Change-Id: If9c122efbb7dbab7d834372da3c1c70463be7a77
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26010
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/drivers/intel/i210/i210.c

@@ -219,7 +219,7 @@ static void init(struct device *dev)
 	return;
 }
 
-static void set_resources(device_t dev)
+static void set_resources(struct device *dev)
 {
 	pci_dev_set_resources(dev);
 	dev->command |= PCI_COMMAND_MASTER;