ARM: gemini: remove unnecessary mdio-gpio includes

Remove the inclusion of linux/mdio-gpio.h in nas4220b, wbd111 and wbd222
boards since mdio-gpio is not used.
Signed-off-by: NVivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

arch/arm/mach-gemini/board-nas4220b.c

@@ -18,7 +18,6 @@
 #include <linux/leds.h>
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
-#include <linux/mdio-gpio.h>
 #include <linux/io.h>
 
 #include <asm/setup.h>

arch/arm/mach-gemini/board-wbd111.c

@@ -15,7 +15,6 @@
 #include <linux/input.h>
 #include <linux/skbuff.h>
 #include <linux/gpio_keys.h>
-#include <linux/mdio-gpio.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <asm/mach-types.h>

arch/arm/mach-gemini/board-wbd222.c

@@ -15,7 +15,6 @@
 #include <linux/input.h>
 #include <linux/skbuff.h>
 #include <linux/gpio_keys.h>
-#include <linux/mdio-gpio.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <asm/mach-types.h>