src: Get rid of device_t

Use of device_t is deprecated.

Change-Id: I6adc0429ae9ecc8f726d6167a6458d9333dc515f
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/27036
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/soc/intel/skylake/pmutil.c b/src/soc/intel/skylake/pmutil.c
index d05c812..2c399c7 100644
--- a/src/soc/intel/skylake/pmutil.c
+++ b/src/soc/intel/skylake/pmutil.c
@@ -19,8 +19,6 @@
  * and the differences between PCH variants.
  */
 
-#define __SIMPLE_DEVICE__
-
 #include <arch/acpi.h>
 #include <arch/io.h>
 #include <device/device.h>
@@ -232,7 +230,11 @@
 	u8 reg8;
 	int rtc_failed;
 	/* PMC Controller Device 0x1F, Func 02 */
-	device_t dev = PCH_DEV_PMC;
+#if defined(__SIMPLE_DEVICE__)
+	pci_devfn_t dev = PCH_DEV_PMC;
+#else
+	struct device *dev = PCH_DEV_PMC;
+#endif
 	reg8 = pci_read_config8(dev, GEN_PMCON_B);
 	rtc_failed = reg8 & RTC_BATTERY_DEAD;
 	if (rtc_failed) {