ARM: shmobile: Move legacy INTC definitions from irqs.h to intc.h

Move all definitions for legacy INTC from the common "irqs.h" to the
INTC-specific "intc.h".
Include "intc.h" in sh7372/sh73a0 CPU and board files where needed.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Magnus Damm <damm+renesas@opensource.se>
[horms+renesas@verge.net.au: omitted whitespace change]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
index 8ff9679..173c678 100644
--- a/arch/arm/mach-shmobile/setup-sh73a0.c
+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -40,6 +40,7 @@
 
 #include "common.h"
 #include "dma-register.h"
+#include "intc.h"
 #include "irqs.h"
 #include "sh73a0.h"