ARM: dts: sun4i: Fix incorrect clocks for displays

Some displays on sun4i devices wouldn't properly stay on unless
'clk_ignore_unused' is used.

Change the duplicate clocks to the probably intended ones.

Cc: <stable@vger.kernel.org>
Signed-off-by: Pascal Roeleven <dev@pascalroeleven.nl>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>