i2c-cht-wc: constify platform_device_id

platform_device_id are not supposed to change at runtime. All functions
working with platform_device_id provided by <linux/platform_device.h>
work with const platform_device_id. So mark the non-const structs as
const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-cht-wc.c

@@ -379,7 +379,7 @@ static int cht_wc_i2c_adap_i2c_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static struct platform_device_id cht_wc_i2c_adap_id_table[] = {
+static const struct platform_device_id cht_wc_i2c_adap_id_table[] = {
 	{ .name = "cht_wcove_ext_chgr" },
 	{},
 };