ARM: mxs: Remove unneeded #include <linux/pinctrl/consumer.h>

Commit 7705b5ed ("ARM: mxs: remove obsolete startup code for
TX28") removed the last user of the pinctrl consumer API.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/mach-mxs/mach-mxs.c

@@ -17,7 +17,6 @@
 #include <linux/of_address.h>
 #include <linux/of_platform.h>
 #include <linux/phy.h>
-#include <linux/pinctrl/consumer.h>
 #include <linux/sys_soc.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>