usb: typec: tcpci_maxim: Drop GPIO includes

This driver includes the legacy GPIO header <linux/gpio.h>,
the new GPIO header <linux/gpio/consumer.h> and
the deprecated OF GPIO header <linux/of_gpio.h> yet
fail to use symbols from any of them, so drop these
includes.

Cc: Guenter Roeck <[e-mail]>
Cc: Heikki Krogerus <[e-mail]>
Reviewed-by: Guenter Roeck <[e-mail]>
Reviewed-by: Heikki Krogerus <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/typec/tcpm/tcpci_maxim.c

···
  * MAXIM TCPCI based TCPC driver
  */
 
-#include <linux/gpio.h>
-#include <linux/gpio/consumer.h>
 #include <linux/interrupt.h>
 #include <linux/i2c.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/of_gpio.h>
 #include <linux/regmap.h>
 #include <linux/usb/pd.h>
 #include <linux/usb/tcpm.h>