x86/ioapic.c: ioapic_modify_irq is too large to inline

If ioapic_modify_irq() is marked inline, it gets inlined several times.
Un-inlining it saves around 200 bytes in .text for me.
Signed-off-by: NJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

arch/x86/kernel/apic/io_apic.c

@@ -556,7 +556,7 @@ static void __init replace_pin_at_irq_node(struct irq_cfg *cfg, int node,
 		add_pin_to_irq_node(cfg, node, newapic, newpin);
 }
 
-static inline void io_apic_modify_irq(struct irq_cfg *cfg,
+static void io_apic_modify_irq(struct irq_cfg *cfg,
 			       int mask_and, int mask_or,
 			       void (*final)(struct irq_pin_list *entry))
 {