sb/intel/i82371eb: Get rid of device_t

Use of device_t has been abandoned in ramstage.

Change-Id: Ie366a49045940747eb5cc1e38316cce31c5774cb
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26251
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
diff --git a/src/southbridge/intel/i82371eb/fadt.c b/src/southbridge/intel/i82371eb/fadt.c
index b77ed4a..41ad31c 100644
--- a/src/southbridge/intel/i82371eb/fadt.c
+++ b/src/southbridge/intel/i82371eb/fadt.c
@@ -31,7 +31,7 @@
 void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt)
 {
 	acpi_header_t *header = &(fadt->header);
-	device_t dev;
+	struct device *dev;
 
 	/* Power management controller */
 	dev = dev_find_device(PCI_VENDOR_ID_INTEL,