kernel/irq: export irq_gc_set_wake

Module driver may use irq_gc_set_wake.
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210305080658.2422114-1-jay.xu@rock-chips.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

kernel/irq/generic-chip.c

@@ -200,6 +200,7 @@ int irq_gc_set_wake(struct irq_data *d, unsigned int on)
 	irq_gc_unlock(gc);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(irq_gc_set_wake);
 
 static u32 irq_readl_be(void __iomem *addr)
 {