sh-pfc: sh7372: Replace <mach/irqs.h> with <linux/sh_intc.h>

The mach/irqs.h header is included only to get the evt2irq macro
definition. The macro is defined in linux/sh_intc.h, include it directly
instead of the mach-specific header.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Magnus Damm <damm@opensource.se>

drivers/pinctrl/sh-pfc/pfc-sh7372.c

@@ -23,8 +23,7 @@
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/pinctrl/pinconf-generic.h>
-
-#include <mach/irqs.h>
+#include <linux/sh_intc.h>
 
 #include "core.h"
 #include "sh_pfc.h"