ASoC: ux500_msp_i2s: Fix devm_* and return code merge error

Some ux500_msp_i2s patches clashed with:

b18e93a4
ASoC: ux500_msp_i2s: better use devm functions and fix error return code

... leaving the driver uncompilable. This patch fixes the
issues encountered.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/ux500/ux500_msp_i2s.c

@@ -18,6 +18,7 @@
 #include <linux/pinctrl/consumer.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
+#include <linux/io.h>
 #include <linux/of.h>
 
 #include <mach/hardware.h>
@@ -697,14 +698,11 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
 			platform_data = devm_kzalloc(&pdev->dev,
 				sizeof(struct msp_i2s_platform_data), GFP_KERNEL);
 			if (!platform_data)
-				ret = -ENOMEM;
+				return -ENOMEM;
 		}
 	} else
 		if (!platform_data)
-			ret = -EINVAL;
-
-	if (ret)
-		goto err_res;
+			return -EINVAL;
 
 	dev_dbg(&pdev->dev, "%s: Enter (name: %s, id: %d).\n", __func__,
 		pdev->name, platform_data->id);