ARM: shmobile: bockw: header cleanup

linux/pinctrl/machine.h is no longer needed
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/board-bockw-reference.c

@@ -19,7 +19,6 @@
  */
 
 #include <linux/of_platform.h>
-#include <linux/pinctrl/machine.h>
 #include <mach/common.h>
 #include <mach/r8a7778.h>
 #include <asm/mach/arch.h>