intel/spi: Fix use of __SIMPLE_DEVICE__

Fix cases of using ENV_SMM where __SIMPLE_DEVICE__
should be used instead.

Change-Id: I385c82767a87ff7a47466a200488fae9fc8b863d
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/31629
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>

src/southbridge/intel/fsp_rangeley/spi.c

@@ -344,7 +344,7 @@ void spi_init(void)
 	uint32_t ids;
 	uint16_t vendor_id, device_id;
 
-#ifdef __SMM__
+#ifdef __SIMPLE_DEVICE__
 	pci_devfn_t dev = PCI_DEV(0, 31, 0);
 #else
 	struct device *dev = pcidev_on_root(31, 0);