[SPARC32]: clean include/asm-sparc/irq.h

Move stuff used only by arch/sparc/kernel/* into arch/sparc/kernel/irq.h
and into individual files in there (e.g. macros internal to sun4m_irq.c,
etc.)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c
index f2fdbb3..6a25133 100644
--- a/arch/sparc/kernel/time.c
+++ b/arch/sparc/kernel/time.c
@@ -44,6 +44,8 @@
 #include <asm/of_device.h>
 #include <asm/irq_regs.h>
 
+#include "irq.h"
+
 DEFINE_SPINLOCK(rtc_lock);
 enum sparc_clock_type sp_clock_typ;
 DEFINE_SPINLOCK(mostek_lock);