This adds the supported PRCM clocks and reset controls to the A80 dtsi.
The DAUDIO module clocks are not supported yet.

Also update clock and reset phandles for r_uart.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>