backlight: adp8860: Move header file out of I2C realm

include/linux/i2c is not for client devices.

Move the header file to a more appropriate location.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

arch/blackfin/mach-bf537/boards/stamp.c

@@ -2047,7 +2047,7 @@ static struct adp8870_backlight_platform_data adp8870_pdata = {
 #endif
 
 #if IS_ENABLED(CONFIG_BACKLIGHT_ADP8860)
-#include <linux/i2c/adp8860.h>
+#include <linux/platform_data/adp8860.h>
 static struct led_info adp8860_leds[] = {
 	{
 		.name = "adp8860-led7",

drivers/video/backlight/adp8860_bl.c

@@ -18,7 +18,7 @@
 #include <linux/slab.h>
 #include <linux/workqueue.h>
 
-#include <linux/i2c/adp8860.h>
+#include <linux/platform_data/adp8860.h>
 #define ADP8860_EXT_FEATURES
 #define ADP8860_USE_LEDS