w1: gpio: Don't use "proxy" headers

Update header inclusions to follow IWYU (Include What You Use)
principle.

Signed-off-by: Andy Shevchenko <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Krzysztof Kozlowski <[e-mail]>

drivers/w1/masters/w1-gpio.c

···
  * Copyright (C) 2007 Ville Syrjala <[e-mail]>
  */
 
-#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/gpio/consumer.h>
 #include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/property.h>
-#include <linux/slab.h>
-#include <linux/gpio/consumer.h>
-#include <linux/err.h>
-#include <linux/delay.h>
+#include <linux/types.h>
 
 #include <linux/w1.h>