sh: IPR/INTC2 IRQ setup consolidation.

This patch unifies the cpu specific interrupt setup functions for
interrupt controller blocks such as ipr, intc2 and intc. There is no
point in having separate functions for each interrupt controller, so
let's clean this up.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/asm-sh/hw_irq.h b/include/asm-sh/hw_irq.h
index 6c21cf0..92c9efd9 100644
--- a/include/asm-sh/hw_irq.h
+++ b/include/asm-sh/hw_irq.h
@@ -23,7 +23,6 @@
 };
 
 void register_intc2_controller(struct intc2_desc *);
-void init_IRQ_intc2(void);
 
 struct ipr_data {
 	unsigned char irq;
@@ -41,7 +40,6 @@
 };
 
 void register_ipr_controller(struct ipr_desc *);
-void init_IRQ_ipr(void);
 
 /*
  * Enable individual interrupt mode for external IPR IRQs.
@@ -115,4 +113,6 @@
 
 void __init register_intc_controller(struct intc_desc *desc);
 
+void __init plat_irq_setup(void);
+
 #endif /* __ASM_SH_HW_IRQ_H */