tty: serial: atmel_serial: Drop GPIO includes

Nothing in this driver uses the symbols from these GPIO
includes so drop them. These are probably just historical
artifacts from befor mctrl_gpio was used.

Cc: Ludovic Desroches <[email protected]>
Cc: Razvan Stefanescu <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Reviewed-by: Ludovic Desroches <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Linus Walleij

drivers/tty/serial/atmel_serial.c

@@ -20,15 +20,12 @@
 #include <linux/platform_device.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
-#include <linux/of_gpio.h>
 #include <linux/dma-mapping.h>
 #include <linux/dmaengine.h>
 #include <linux/atmel_pdc.h>
 #include <linux/uaccess.h>
 #include <linux/platform_data/atmel.h>
 #include <linux/timer.h>
-#include <linux/gpio.h>
-#include <linux/gpio/consumer.h>
 #include <linux/err.h>
 #include <linux/irq.h>
 #include <linux/suspend.h>