dmaengine: Remove site specific OOM error messages on kzalloc

If kzalloc() fails it will issue it's own error message including
a dump_stack(). So remove the site specific error messages.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c
index 3df0422..ba7f412 100644
--- a/drivers/dma/mmp_tdma.c
+++ b/drivers/dma/mmp_tdma.c
@@ -551,10 +551,9 @@
 
 	/* alloc channel */
 	tdmac = devm_kzalloc(tdev->dev, sizeof(*tdmac), GFP_KERNEL);
-	if (!tdmac) {
-		dev_err(tdev->dev, "no free memory for DMA channels!\n");
+	if (!tdmac)
 		return -ENOMEM;
-	}
+
 	if (irq)
 		tdmac->irq = irq;
 	tdmac->dev	   = tdev->dev;