i2c: constify platform_device_id

The platform_device_id is not modified by these drivers and core uses it
as const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-imx.c

@@ -241,7 +241,7 @@ static struct imx_i2c_hwdata vf610_i2c_hwdata = {
 
 };
 
-static struct platform_device_id imx_i2c_devtype[] = {
+static const struct platform_device_id imx_i2c_devtype[] = {
 	{
 		.name = "imx1-i2c",
 		.driver_data = (kernel_ulong_t)&imx1_i2c_hwdata,

drivers/i2c/busses/i2c-mxs.c

@@ -784,7 +784,7 @@ static int mxs_i2c_get_ofdata(struct mxs_i2c_dev *i2c)
 	return 0;
 }
 
-static struct platform_device_id mxs_i2c_devtype[] = {
+static const struct platform_device_id mxs_i2c_devtype[] = {
 	{
 		.name = "imx23-i2c",
 		.driver_data = MXS_I2C_V1,

drivers/i2c/busses/i2c-rcar.c

@@ -713,7 +713,7 @@ static int rcar_i2c_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static struct platform_device_id rcar_i2c_id_table[] = {
+static const struct platform_device_id rcar_i2c_id_table[] = {
 	{ "i2c-rcar",		I2C_RCAR_GEN1 },
 	{ "i2c-rcar_gen1",	I2C_RCAR_GEN1 },
 	{ "i2c-rcar_gen2",	I2C_RCAR_GEN2 },

drivers/i2c/busses/i2c-s3c2410.c

@@ -132,7 +132,7 @@ struct s3c24xx_i2c {
 	unsigned int		sys_i2c_cfg;
 };
 
-static struct platform_device_id s3c24xx_driver_ids[] = {
+static const struct platform_device_id s3c24xx_driver_ids[] = {
 	{
 		.name		= "s3c2410-i2c",
 		.driver_data	= 0,