libpayload: remove trailing whitespace and run dos2unix

Change-Id: Iffed3602456f5306711c65f06c873c58d4086e11
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/363
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

payloads/libpayload/libpci/libpci.c

@@ -181,7 +181,7 @@ static struct pci_dev *pci_scan_single_bus(struct pci_dev *dev, int bus)
 		dev->vendor_id = val & 0xffff;
 		dev->device_id = val >> 16;
 		dev->next = 0;
-		
+
 		hdr = pci_read_config8(PCI_DEV(bus, slot, func),
 				       REG_HEADER_TYPE);
 		hdr &= 0x7F;