soc/intel/cannonlake: Get rid of device_t

Use of device_t has been abandoned in ramstage.

Change-Id: Iea56a6560bb23d48d19211304e57fc08e1c27fd6
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26584
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/cannonlake/finalize.c

@@ -53,7 +53,7 @@ static void pch_handle_sideband(config_t *config)
 
 static void pch_finalize(void)
 {
-	device_t dev;
+	struct device *dev;
 	uint32_t reg32;
 	uint16_t tcobase, tcocnt;
 	uint8_t *pmcbase;