module-adapter: (cosmetic) use an existing error label

Use goto to just to an existing error handling label instead of
freeing memory in place and returning.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>

src/audio/module_adapter/module_adapter.c

@@ -73,8 +73,7 @@ struct comp_dev *module_adapter_new(const struct comp_driver *drv,
 	mod = rzalloc(zone, 0, SOF_MEM_CAPS_RAM, sizeof(*mod));
 	if (!mod) {
 		comp_err(dev, "module_adapter_new(), failed to allocate memory for module");
-		rfree(dev);
-		return NULL;
+		goto err;
 	}
 
 	dst = &mod->priv.cfg;