i2c: Make of_device_id array const

Make of_device_id array const, because all OF functions
handle it as const.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Acked-by: NPeter Korsgaard <peter@korsgaard.com>
Acked-by: NMaxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-ocores.c

@@ -250,7 +250,7 @@ static struct i2c_adapter ocores_adapter = {
 	.algo		= &ocores_algorithm,
 };
 
-static struct of_device_id ocores_i2c_match[] = {
+static const struct of_device_id ocores_i2c_match[] = {
 	{
 		.compatible = "opencores,i2c-ocores",
 		.data = (void *)TYPE_OCORES,

drivers/i2c/busses/i2c-pxa.c

@@ -1084,7 +1084,7 @@ static const struct i2c_algorithm i2c_pxa_pio_algorithm = {
 	.functionality	= i2c_pxa_functionality,
 };
 
-static struct of_device_id i2c_pxa_dt_ids[] = {
+static const struct of_device_id i2c_pxa_dt_ids[] = {
 	{ .compatible = "mrvl,pxa-i2c", .data = (void *)REGS_PXA2XX },
 	{ .compatible = "mrvl,pwri2c", .data = (void *)REGS_PXA3XX },
 	{ .compatible = "mrvl,mmp-twsi", .data = (void *)REGS_PXA2XX },

drivers/i2c/busses/i2c-riic.c

@@ -404,7 +404,7 @@ static int riic_i2c_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static struct of_device_id riic_i2c_dt_ids[] = {
+static const struct of_device_id riic_i2c_dt_ids[] = {
 	{ .compatible = "renesas,riic-rz" },
 	{ /* Sentinel */ },
 };

drivers/i2c/busses/i2c-st.c

@@ -847,7 +847,7 @@ static int st_i2c_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static struct of_device_id st_i2c_match[] = {
+static const struct of_device_id st_i2c_match[] = {
 	{ .compatible = "st,comms-ssc-i2c", },
 	{ .compatible = "st,comms-ssc4-i2c", },
 	{},

drivers/i2c/busses/i2c-wmt.c

@@ -452,7 +452,7 @@ static int wmt_i2c_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static struct of_device_id wmt_i2c_dt_ids[] = {
+static const struct of_device_id wmt_i2c_dt_ids[] = {
 	{ .compatible = "wm,wm8505-i2c" },
 	{ /* Sentinel */ },
 };