net: smc91x: Replace of_gpio.h with what indeed is used

of_gpio.h in this driver is solely used as a proxy to other headers.
This is incorrect usage of the of_gpio.h. Replace it .h with what
indeed is used in the code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/smsc/smc91x.c

@@ -57,6 +57,7 @@ static const char version[] =
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/delay.h>
+#include <linux/gpio/consumer.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/errno.h>
@@ -69,7 +70,6 @@ static const char version[] =
 #include <linux/workqueue.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
-#include <linux/of_gpio.h>
 
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>