ARM: dts: cygnus: place v3d in proper address ordered location

Move v3d devicetree node to proper address ordered location in Cygnus
dtsi.

Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>