blackfin: mach-common: ints-priority add irq_set_wake

Add irq_set_wake to bfin_sec_irqchip, drivers like stmmac need it.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 7e8fab3..9c7d65a 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -496,7 +496,10 @@
 	return bfin_internal_set_wake(d->irq, state);
 }
 #else
-# define bfin_internal_set_wake(irq, state)
+inline int bfin_internal_set_wake(unsigned int irq, unsigned int state)
+{
+	return 0;
+}
 # define bfin_internal_set_wake_chip NULL
 #endif
 
@@ -527,6 +530,7 @@
 	.irq_eoi = bfin_sec_unmask_irq,
 	.irq_disable = bfin_sec_disable,
 	.irq_enable = bfin_sec_enable,
+	.irq_set_wake = bfin_internal_set_wake,
 };
 #endif