pinctrl: sh-pfc: sh73a0: Allow Multiplatform Build

Add #ifdefs to allow sh73a0 Multiplatform build. Needed
to enable sh73a0 Multiplatform support.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/sh-pfc/pfc-sh73a0.c b/drivers/pinctrl/sh-pfc/pfc-sh73a0.c
index 6f6ba10..ee370de 100644
--- a/drivers/pinctrl/sh-pfc/pfc-sh73a0.c
+++ b/drivers/pinctrl/sh-pfc/pfc-sh73a0.c
@@ -26,7 +26,9 @@
 #include <linux/regulator/machine.h>
 #include <linux/slab.h>
 
+#ifndef CONFIG_ARCH_MULTIPLATFORM
 #include <mach/irqs.h>
+#endif
 
 #include "core.h"
 #include "sh_pfc.h"