Printing on console while executing multi core command causes a race
condition in serial driver and results in data abort. Disable serial
console briefly during secondary cpu bring up to overcome the race
condition and data abort exception.
Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Change-Id: I6b3cda3bd828cbcaf8e766f243f8137ab496a805