FROMLIST: clk: rockchip: rk3036: rename emac ext source clock

There is only support rmii in the RK3036, so we should use the correct
ext clock name.

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>

Bug: 25923642
Patchset: emac clock patch[4/5].

(am from https://patchwork.kernel.org/patch/7976551/)
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Change-Id: I8efea258688ac84624403c3aef28f6683e6777ea
1 file changed