[PATCH] qemu: do not enable IP7 blindly

[Atsushi Nemoto <anemo@mba.ocn.ne.jp>]

IP7 will be enabled automatically in mips_clockevent_init(), if it was
available.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
---
diff --git a/arch/mips/qemu/q-irq.c b/arch/mips/qemu/q-irq.c
index 11f9847..7df36db 100644
--- a/arch/mips/qemu/q-irq.c
+++ b/arch/mips/qemu/q-irq.c
@@ -33,5 +33,5 @@ void __init arch_init_irq(void)
 
        mips_cpu_irq_init();
        init_i8259_irqs();
-       set_c0_status(0x8400);
+       set_c0_status(0x400);
 }