pci: Fix expansion ROM programming for multi-function devices

PCI_HEADER_TYPE register (offset 0x0e) bit 7 is an indicator
for multi-function devices. We should mask it off before using
it as the header type.
Signed-off-by: NBin Meng <bmeng.cn@gmail.com>
Acked-by: NSimon Glass <sjg@chromium.org>

drivers/pci/pci_auto.c

@@ -185,6 +185,7 @@ void pciauto_setup_device(struct pci_controller *hose,
 #ifndef CONFIG_PCI_ENUM_ONLY
 	/* Configure the expansion ROM address */
 	pci_hose_read_config_byte(hose, dev, PCI_HEADER_TYPE, &header_type);
+	header_type &= 0x7f;
 	if (header_type != PCI_HEADER_TYPE_CARDBUS) {
 		rom_addr = (header_type == PCI_HEADER_TYPE_NORMAL) ?
 			   PCI_ROM_ADDRESS : PCI_ROM_ADDRESS1;