[][Fix mt7981 snand clk to 52MHz]

[Description]
Fix snand clk to 52MHz

[Release-Log]
N/A

Change-Id: I45291cdeb26bfee1686c8c53dfb9f65c3ec49e70
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5251435
1 file changed