x86: remove duplicate early_ioremap declarations

#include <linux/compiler.h>

/*

 * early_ioremap() and early_iounmap() are for temporary early boot-time

 * mappings, before the real ioremap() is functional.

 * A boot-time mapping is currently limited to at most 16 pages.

 */

#ifndef __ASSEMBLY__

extern void early_ioremap_init(void);

extern void early_ioremap_clear(void);

extern void early_ioremap_reset(void);

extern void *early_ioremap(unsigned long offset, unsigned long size);

extern void early_iounmap(void *addr, unsigned long size);

extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys);

#endif

#define build_mmio_read(name, size, type, reg, barrier) \

static inline type name(const volatile void __iomem *addr) \

{ type ret; asm volatile("mov" size " %1,%0":reg (ret) \

#include <asm-generic/iomap.h>

extern void *early_ioremap(unsigned long addr, unsigned long size);

extern void early_iounmap(void *addr, unsigned long size);

/*

 * This one maps high address device memory and turns off caching for that area.

 * it's useful if some control registers are in such an area and write combining