m68k/irq: Add m68k_setup_irq_controller()

This is a wrapper around m68k_setup_irq_chip() that discards its dummy
second parameter, to ease the future transition to genirq.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h
index 423f064..d0b7efd 100644
--- a/arch/m68k/include/asm/irq.h
+++ b/arch/m68k/include/asm/irq.h
@@ -115,6 +115,8 @@
 extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
 				      void (*handler)(unsigned int, struct pt_regs *));
 extern void m68k_setup_irq_chip(struct irq_chip *, unsigned int, unsigned int);
+#define m68k_setup_irq_controller(chip, dummy, irq, cnt) \
+	m68k_setup_irq_chip((chip), (irq), (cnt))
 
 asmlinkage void m68k_handle_int(unsigned int);
 asmlinkage void __m68k_handle_int(unsigned int, struct pt_regs *);