configs/arm_juno: adding CMA support to the kernel
This patch adds CMA to the juno's default kernel config that is in
board/arm/juno. This is critical if the user decides to config video
resolution to 1920x1080.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>