[][Change mtk rng clk]

[Description]
Change rng clk as rng can control its own clk.

[Release-log]
N/A

Change-Id: If5986e8fbf70244fa0d8fcd3a463e228f82e253b
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4705203
1 file changed