regulator: s2mps11: Don't zero allocated memory for external control

The driver was allocating memory for storing GPIOs for external control
with unnecessary GFP_ZERO flag. Then right after allocation it
initialized memory to -EINVAL in loop. Skip the GFP_ZERO flag.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/s2mps11.c

@@ -845,7 +845,7 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
 		return -EINVAL;
 	};
 
-	s2mps11->ext_control_gpio = devm_kzalloc(&pdev->dev,
+	s2mps11->ext_control_gpio = devm_kmalloc(&pdev->dev,
 			sizeof(*s2mps11->ext_control_gpio) * s2mps11->rdev_num,
 			GFP_KERNEL);
 	if (!s2mps11->ext_control_gpio)