arm: increase FORCE_MAX_ZONEORDER for TI AM33XX
FORCE_MAX_ZONEORDER of 12 is needed to allocation more than 4MB
of consistent DMA memory (da8xx frame buffer driver).
Signed-off-by: Dejan Gacnik <dejan.gacnik@gmail.com>
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>