gpio: zevio: remove unnecessary OOM messages

The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-zevio.c b/drivers/gpio/gpio-zevio.c
index 6270f75..4c173ad 100644
--- a/drivers/gpio/gpio-zevio.c
+++ b/drivers/gpio/gpio-zevio.c
@@ -178,10 +178,8 @@
 	int status, i;
 
 	controller = devm_kzalloc(&pdev->dev, sizeof(*controller), GFP_KERNEL);
-	if (!controller) {
-		dev_err(&pdev->dev, "not enough free memory\n");
+	if (!controller)
 		return -ENOMEM;
-	}
 
 	/* Copy our reference */
 	controller->chip.gc = zevio_gpio_chip;