soc/intel/braswell: Get rid of device_t

Use of device_t has been abandoned in ramstage.

Change-Id: I05a46ab0ae6b4493895c1231fedb59c96efdf793
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26457
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/soc/intel/braswell/sata.c

@@ -34,7 +34,7 @@ static void sata_init(struct device *dev)
 			__FILE__, __func__, dev_name(dev));
 }
 
-static void sata_enable(device_t dev)
+static void sata_enable(struct device *dev)
 {
 	southcluster_enable_dev(dev);
 }