device: Use pcidev_path_on_root()

Change-Id: I2e28b9f4ecaf258bff8a062b5a54cb3d8e2bb9b0
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/30400
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/southbridge/intel/i82801dx/i82801dx.c b/src/southbridge/intel/i82801dx/i82801dx.c
index 8db591c..f233eed 100644
--- a/src/southbridge/intel/i82801dx/i82801dx.c
+++ b/src/southbridge/intel/i82801dx/i82801dx.c
@@ -26,7 +26,7 @@
 
 //      all 82801dbm devices are in bus 0
 	unsigned int devfn = PCI_DEVFN(0x1f, 0);	// lpc
-	struct device *lpc_dev = dev_find_slot(0, devfn);	// 0
+	struct device *lpc_dev = pcidev_path_on_root(devfn);	// 0
 	if (!lpc_dev)
 		return;