thermal: qoriq: constify thermal_zone_of_device_ops structures

The thermal_zone_of_device_ops structure is only passed as the fourth
argument to thermal_zone_of_sensor_register, which is declared as const.
Thus the thermal_zone_of_device_ops structure itself can be const.

Done with the help of Coccinelle.
Signed-off-by: NJulia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: NZhang Rui <rui.zhang@intel.com>

drivers/thermal/qoriq_thermal.c

@@ -188,7 +188,7 @@ static void qoriq_tmu_init_device(struct qoriq_tmu_data *data)
 	tmu_write(data, TMR_DISABLE, &data->regs->tmr);
 }
 
-static struct thermal_zone_of_device_ops tmu_tz_ops = {
+static const struct thermal_zone_of_device_ops tmu_tz_ops = {
 	.get_temp = tmu_get_temp,
 };