arm64: dts: allwinner: h6: Fix de3 parent clocks ordering

While it doesn't really matter from a functional point of view in this
driver's case, it's usually a good practice to list the clocks in a
driver in the same driver across all its users.

The H6 is using the inverse order than all the other users, so let's
make it consistent.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20210901091852.479202-49-maxime@cerno.tech