PCI: Convert to alloc_pci_dev()

Convert code that allocs a struct pci_dev to use alloc_pci_dev().

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 70d37bb..c659f8a 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -900,7 +900,7 @@
 	if (pci_bus_read_config_byte(bus, devfn, PCI_HEADER_TYPE, &hdr_type))
 		return NULL;
 
-	dev = kzalloc(sizeof(struct pci_dev), GFP_KERNEL);
+	dev = alloc_pci_dev();
 	if (!dev)
 		return NULL;