This commit adds necessary description and dt includes for H6 DE3 clock.
It is very similar to others, but memory region has some additional
registers not found in DE2.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>