ARM: dts: rockchip: rk3588s-u-boot: Add rng node

Add a node for the trng found on RK3588 SoCs.

Changes in V3:
 - Added Reviewed-By tag.

Changes in V2:
 - None

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Sughosh Ganu <sughosh.ganu@linaro.org>
1 file changed