device: Use pcidev_on_root()

Change-Id: Icf34b39d80f6e46d32a39b68f38fb2752c0bcebc
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/26484
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Piotr Król <piotr.krol@3mdeb.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/src/northbridge/intel/pineview/northbridge.c b/src/northbridge/intel/pineview/northbridge.c
index 33e8089..ee1efd3 100644
--- a/src/northbridge/intel/pineview/northbridge.c
+++ b/src/northbridge/intel/pineview/northbridge.c
@@ -60,7 +60,7 @@
 	u16 index;
 	const u32 top32memk = 4 * (GiB / KiB);
 
-	struct device *mch = dev_find_slot(0, PCI_DEVFN(0, 0));
+	struct device *mch = pcidev_on_root(0, 0);
 
 	index = 3;
 
@@ -143,7 +143,7 @@
 
 void northbridge_write_smram(u8 smram)
 {
-	struct device *dev = dev_find_slot(0, PCI_DEVFN(0, 0));
+	struct device *dev = pcidev_on_root(0, 0);
 
 	if (dev == NULL)
 		die("could not find pci 00:00.0!\n");