mtd: mtk-quadspi: Remove unneeded pinctrl header

There is no need to include <linux/pinctrl/consumer.h> as no pinctrl
function is used in this driver, so just remove it.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>

drivers/mtd/spi-nor/mtk-quadspi.c

@@ -24,7 +24,6 @@
 #include <linux/mutex.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
-#include <linux/pinctrl/consumer.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/mtd/mtd.h>