x86: make apic_* operations inline functions

extern struct apic_ops *apic_ops;

#define apic_read (apic_ops->read)

#define apic_write (apic_ops->write)

#define apic_icr_read (apic_ops->icr_read)

#define apic_icr_write (apic_ops->icr_write)

#define apic_wait_icr_idle (apic_ops->wait_icr_idle)

#define safe_apic_wait_icr_idle (apic_ops->safe_wait_icr_idle)

static inline u32 apic_read(u32 reg)

{

	return apic_ops->read(reg);

}

static inline void apic_write(u32 reg, u32 val)

{

	apic_ops->write(reg, val);

}

static inline u64 apic_icr_read(void)

{

	return apic_ops->icr_read();

}

static inline void apic_icr_write(u32 low, u32 high)

{

	apic_ops->icr_write(low, high);

}

static inline void apic_wait_icr_idle(void)

{

	apic_ops->wait_icr_idle();

}

static inline u32 safe_apic_wait_icr_idle(void)

{

	return apic_ops->safe_wait_icr_idle();

}

extern int get_physical_broadcast(void);