m68k: add IO access definitions to support PCI on ColdFire platforms

#ifdef CONFIG_ISA

#if defined(CONFIG_PCI) && defined(CONFIG_COLDFIRE)

#define HAVE_ARCH_PIO_SIZE

#define PIO_OFFSET	0

#define PIO_MASK	0xffff

#define PIO_RESERVED	0x10000

u8 mcf_pci_inb(u32 addr);

u16 mcf_pci_inw(u32 addr);

u32 mcf_pci_inl(u32 addr);

void mcf_pci_insb(u32 addr, u8 *buf, u32 len);

void mcf_pci_insw(u32 addr, u16 *buf, u32 len);

void mcf_pci_insl(u32 addr, u32 *buf, u32 len);

void mcf_pci_outb(u8 v, u32 addr);

void mcf_pci_outw(u16 v, u32 addr);

void mcf_pci_outl(u32 v, u32 addr);

void mcf_pci_outsb(u32 addr, const u8 *buf, u32 len);

void mcf_pci_outsw(u32 addr, const u16 *buf, u32 len);

void mcf_pci_outsl(u32 addr, const u32 *buf, u32 len);

#define	inb	mcf_pci_inb

#define	inb_p	mcf_pci_inb

#define	inw	mcf_pci_inw

#define	inw_p	mcf_pci_inw

#define	inl	mcf_pci_inl

#define	inl_p	mcf_pci_inl

#define	insb	mcf_pci_insb

#define	insw	mcf_pci_insw

#define	insl	mcf_pci_insl

#define	outb	mcf_pci_outb

#define	outb_p	mcf_pci_outb

#define	outw	mcf_pci_outw

#define	outw_p	mcf_pci_outw

#define	outl	mcf_pci_outl

#define	outl_p	mcf_pci_outl

#define	outsb	mcf_pci_outsb

#define	outsw	mcf_pci_outsw

#define	outsl	mcf_pci_outsl

#define readb(addr)	in_8(addr)

#define writeb(v, addr)	out_8((addr), (v))

#define readw(addr)	in_le16(addr)

#define writew(v, addr)	out_le16((addr), (v))

#elif defined(CONFIG_ISA)

#if MULTI_ISA == 0

#undef MULTI_ISA