ARM: dts: vf610: don't use multiple blank lines

Avoid the following checkpatch warning:

arch/arm/boot/dts/vf610.dtsi:5: check: Please don't use multiple blank
 lines

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>