arm64: dts: rockchip: Remove empty line from rock-5a

There is a line which is empty. Remove it.

Fixes: a4a8f1afb360 ("arm64: dts: rockchip: Add rock-5a board")
Signed-off-by: Christopher Obbard <chris.obbard@collabora.com>
Link: https://lore.kernel.org/r/20230110195352.272360-3-chris.obbard@collabora.com


Signed-off-by: Heiko Stuebner <heiko@sntech.de>