sb/amd/cimx/sb800: Get rid of device_t

Use of device_t has been abandoned in ramstage.

Change-Id: I2335b7e193663bb6c82bf267aaeb0b2367986f62
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26414
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
diff --git a/src/southbridge/amd/cimx/sb800/spi.c b/src/southbridge/amd/cimx/sb800/spi.c
index 2c541e3..54dd77a 100644
--- a/src/southbridge/amd/cimx/sb800/spi.c
+++ b/src/southbridge/amd/cimx/sb800/spi.c
@@ -48,7 +48,7 @@
 
 void spi_init()
 {
-	device_t dev;
+	struct device *dev;
 
 	dev = dev_find_slot(0, PCI_DEVFN(0x14, 3));
 	spibar = pci_read_config32(dev, 0xA0) & ~0x1F;