x86/pci: Remove pci_64.h

This file only contains external declarations for two non-existing
function pointers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20191113071836.21041-3-hch@lst.de

arch/x86/include/asm/pci.h

@@ -120,10 +120,6 @@ void native_restore_msi_irqs(struct pci_dev *dev);
 #endif
 #endif  /* __KERNEL__ */
 
-#ifdef CONFIG_X86_64
-#include <asm/pci_64.h>
-#endif
-
 /* generic pci stuff */
 #include <asm-generic/pci.h>
 

arch/x86/include/asm/pci_64.h

-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_X86_PCI_64_H
-#define _ASM_X86_PCI_64_H
-
-#ifdef __KERNEL__
-
-extern int (*pci_config_read)(int seg, int bus, int dev, int fn,
-			      int reg, int len, u32 *value);
-extern int (*pci_config_write)(int seg, int bus, int dev, int fn,
-			       int reg, int len, u32 value);
-
-#endif /* __KERNEL__ */
-
-#endif /* _ASM_X86_PCI_64_H */