bytedance: g220a: Enable uart routing

Signed-off-by: John Wang <wangzhiqiang.bj@bytedance.com>
Change-Id: I11aec58f82c1f1a51594dd5ab88e36ab2a02155b
diff --git a/meta-g220a/recipes-kernel/linux/linux-aspeed/g220a.cfg b/meta-g220a/recipes-kernel/linux/linux-aspeed/g220a.cfg
index 799a717..cc97a4e 100644
--- a/meta-g220a/recipes-kernel/linux/linux-aspeed/g220a.cfg
+++ b/meta-g220a/recipes-kernel/linux/linux-aspeed/g220a.cfg
@@ -1 +1,2 @@
 CONFIG_SENSORS_EMC1403=y
+CONFIG_ASPEED_UART_ROUTING=y