media: verisilicon: Fixes clock list for rk3588 av1 decoder

Mainlined RK3588 clock driver manage by itself the dependency between
aclk/hclk and their root clocks (aclk_vdpu_root/hclk_vdpu_root).
RK3588 av1 video decoder do not have to take car of it anymore so
remove them from the list and be compliant with yaml bindings description.

Fixes: 003afda9 ("media: verisilicon: Enable AV1 decoder on rk3588")
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>