component: Writeback cache after status change

Component like mux checks component state in every copy_call,
so when running mux and connected component on another cores,
then status writeback is needed.

Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>

src/audio/component.c

@@ -197,6 +197,8 @@ int comp_set_state(struct comp_dev *dev, int cmd)
 		break;
 	}
 
+	comp_writeback(dev);
+
 	return ret;
 }