As putting data which is read mostly together, we can avoid
unnecessary cache line bouncing.

Other architectures, such as ARM and x86, adopted the same idea.
Acked-by: NCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: NJungseok Lee <jungseoklee85@gmail.com>
Signed-off-by: NWill Deacon <will.deacon@arm.com>