sparc32: introduce sparc_irq_config

sparc_irq_config is used to hold the platform specific irq setup.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index 19ab42a..8237dd4 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -219,7 +219,7 @@
 
 	btfixup();
 
-	sparc_init_timers(timer_interrupt);
+	sparc_irq_config.init_timers(timer_interrupt);
 }
 
 void __init time_init(void)