powerpc: Use ARCH_IRQ_INIT_FLAGS

Define the ARCH_IRQ_INIT_FLAGS instead of fixing it up in a loop.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index ff08b70..bb712c9 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -141,6 +141,8 @@
 
 #endif /* CONFIG_PPC64 */
 
+#define ARCH_IRQ_INIT_FLAGS	IRQ_NOREQUEST
+
 /*
  * interrupt-retrigger: should we handle this via lost interrupts and IPIs
  * or should we not care like we do now ? --BenH.