[][Change mtk eth to enable clk by its own dts node instead of global clk]

[Description]
Change mtk eth to enable clk by its own dts node instead of global clk

[Release-log]
N/A

Change-Id: Ib03f389453a88053f7edb2b2dad064c43077f650
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4687906
3 files changed