x86, irq: Move irq_remapped out of x86 core code

The irq_remapped function is only used in IOMMU code after
the last patch. So move its definition there too.

Signed-off-by: Joerg Roedel <[e-mail]>
Acked-by: Sebastian Andrzej Siewior <[e-mail]>
Reviewed-by: Konrad Rzeszutek Wilk <[e-mail]>

arch/x86/include/asm/irq_remapping.h

···
 			       struct irq_cfg *cfg,
 			       struct irq_chip *chip);
 
-static inline bool irq_remapped(struct irq_cfg *cfg)
-{
-	return (cfg->remapped == 1);
-}
-
 void irq_remap_modify_chip_defaults(struct irq_chip *chip);
 
 #else  /* CONFIG_IRQ_REMAP */
···
 
 static inline void panic_if_irq_remap(const char *msg)
 {
-}
-
-static inline bool irq_remapped(struct irq_cfg *cfg)
-{
-	return false;
 }
 
 static inline void irq_remap_modify_chip_defaults(struct irq_chip *chip)

drivers/iommu/irq_remapping.c

···
 				     const struct cpumask *mask,
 				     bool force);
 
+static bool irq_remapped(struct irq_cfg *cfg)
+{
+	return (cfg->remapped == 1);
+}
+
 static void irq_remapping_disable_io_apic(void)
 {
 	/*