[] [Add auxadc 32k clk]

[Description]
Add auxadc 32k clk

[Release-log]
N/A

Change-Id: I5703432e8ddfaf7f14a85e53ce6db1d5212c6cc5
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4860995
3 files changed