[][Remove auxadc unused clk define]

[Description]
Remove auxadc unused clk define

[Release-log]
N/A

Change-Id: Ic807d03d669d1a6dc6c5c20a5fc681924a9b237e
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4741094
1 file changed