pinctrl-sirf: remove devm_kfree at error path

the pointers that are allocated with devm_kzalloc will be automatically freed,
at unload time.
Signed-off-by: Devendra Naga <develkernel412222@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-sirf.c

@@ -1217,7 +1217,6 @@ static int __devinit sirfsoc_pinmux_probe(struct platform_device *pdev)
 	iounmap(spmx->gpio_virtbase);
 out_no_gpio_remap:
 	platform_set_drvdata(pdev, NULL);
-	devm_kfree(&pdev->dev, spmx);
 	return ret;
 }