mmc: mxcmmc: Drop unused includes

The MXCMMC driver uses slot GPIO helpers and does not make
any use of <linux/gpio.h> or <linux/of_gpio.h> so drop these
surplus includes.

Cc: Jun Qian <hangdianqj@163.com>
Cc: Matteo Facchinetti <matteo.facchinetti@sirius-es.it>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/mxcmmc.c

@@ -31,14 +31,12 @@
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/io.h>
-#include <linux/gpio.h>
 #include <linux/regulator/consumer.h>
 #include <linux/dmaengine.h>
 #include <linux/types.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/of_dma.h>
-#include <linux/of_gpio.h>
 #include <linux/mmc/slot-gpio.h>
 
 #include <asm/dma.h>