mtd: spi-nor: atmel-quadspi: Include gpio/consumer.h instead of gpio.h

GPIO consumers now include <linux/gpio/consumer.h> instead of
<linux/gpio.h> if they can.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>

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

@@ -34,7 +34,7 @@
 #include <linux/of.h>
 
 #include <linux/io.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 
 /* QSPI register offsets */
 #define QSPI_CR      0x0000  /* Control Register */