sunxi: Enable LDO3 at 3.3V on A13-OLinuXino board
LDO3 is used for the VGA output, this fixes a regression where the VGA
output on these boards would no longer work.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Hans de Goede