device/pci.h: change #ifdef argument to __SIMPLE_DEVICE__

Change the argument to #ifdef from __PRE_RAM__ to __SIMPLE_DEVICE__
in order to account for the coreboot stages that do not define device_t
and are not __PRE_RAM__ (i.e. smm) device_t

Change-Id: Ic6e9b504803622b60b5217c9432ce57caefc5065
Signed-off-by: Antonello Dettori <dev@dettori.io>
Reviewed-on: https://review.coreboot.org/16369
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/include/device/pci.h b/src/include/device/pci.h
index 9ef3614..e167752 100644
--- a/src/include/device/pci.h
+++ b/src/include/device/pci.h
@@ -108,13 +108,13 @@
 
 #endif /* ! __SIMPLE_DEVICE__ */
 
-#ifdef __PRE_RAM__
+#ifdef __SIMPLE_DEVICE__
 unsigned pci_find_next_capability(pci_devfn_t dev, unsigned cap, unsigned last);
 unsigned pci_find_capability(pci_devfn_t dev, unsigned cap);
-#else /* !__PRE_RAM__ */
+#else /* !__SIMPLE_DEVICE__ */
 unsigned pci_find_next_capability(device_t dev, unsigned cap, unsigned last);
 unsigned pci_find_capability(device_t dev, unsigned cap);
-#endif /* __PRE_RAM__ */
+#endif /* __SIMPLE_DEVICE__ */
 
 void pci_early_bridge_init(void);
 int pci_early_device_probe(u8 bus, u8 dev, u32 mmio_base);