mfd: Initialize tps65910 irq platform data properly

irq_base of the tps65910 irq platform data should be
initialized with the board provided irq_base data.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/mfd/tps65910.c

@@ -168,7 +168,7 @@ static int tps65910_i2c_probe(struct i2c_client *i2c,
 		goto err;
 
 	init_data->irq = pmic_plat_data->irq;
-	init_data->irq_base = pmic_plat_data->irq;
+	init_data->irq_base = pmic_plat_data->irq_base;
 
 	tps65910_gpio_init(tps65910, pmic_plat_data->gpio_base);