dt-bindings: mt8173-mtu3: add reference clock

add a reference clock for compatibility

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chunfeng Yun 2017-01-18 14:08:27 +08:00 • committed by Greg Kroah-Hartman
commit afa197e3cb