ASoC: Medfield: Delete an error message for a failed memory allocation in snd_mfld_mc_probe()

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/boards/mfld_machine.c

@@ -376,10 +376,8 @@ static int snd_mfld_mc_probe(struct platform_device *pdev)
 	/* audio interrupt base of SRAM location where
 	 * interrupts are stored by System FW */
 	mc_drv_ctx = devm_kzalloc(&pdev->dev, sizeof(*mc_drv_ctx), GFP_ATOMIC);
-	if (!mc_drv_ctx) {
-		pr_err("allocation failed\n");
+	if (!mc_drv_ctx)
 		return -ENOMEM;
-	}
 
 	irq_mem = platform_get_resource_byname(
 				pdev, IORESOURCE_MEM, "IRQ_BASE");