arm64: dts: amlogic: meson-gx: add missing unit address to rng node name

stable inclusion
from stable-v5.10.173
commit 1c30db46dd1d4a4f45600cc88fa92d1373855f2b
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8BFR3

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1c30db46dd1d4a4f45600cc88fa92d1373855f2b

--------------------------------

[ Upstream commit 61ff7070 ]

Fixes:
bus@c8834000: rng: {...} should not be valid under {'type': 'object'}

Link: https://lore.kernel.org/r/20230124-b4-amlogic-bindings-fixups-v1-6-44351528957e@linaro.org


Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>