mfd: htc-i2cpld: Remove unneded ret variable

The ret variable is not needed since is not used in the
function. Remove the variable and just return 0 instead.
Signed-off-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

drivers/mfd/htc-i2cpld.c

@@ -318,7 +318,6 @@ static int htcpld_setup_chip_irq(
 	struct htcpld_data *htcpld;
 	struct htcpld_chip *chip;
 	unsigned int irq, irq_end;
-	int ret = 0;
 
 	/* Get the platform and driver data */
 	htcpld = platform_get_drvdata(pdev);
@@ -333,7 +332,7 @@ static int htcpld_setup_chip_irq(
 		irq_clear_status_flags(irq, IRQ_NOREQUEST | IRQ_NOPROBE);
 	}
 
-	return ret;
+	return 0;
 }
 
 static int htcpld_register_chip_i2c(