Tegra: relocate BL32 image to TZDRAM memory
Tegra: relocate BL32 image to TZDRAM memory

This patch adds support to relocate the BL32 image from the NS
memory to TZDRAM during cold boot. The NS memory buffer is
cleared out after the process completes.

Change-Id: I1a033ffe73b8c309449f874d5187708d0a8846d2
Signed-off-by: Varun Wadekar <517ae08f01cae398dbba5bef5ba1750f384c6daf@nvidia.com>

sbranden/arm-trusted-firmware,sbranden/arm-trusted-firmware,achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware,lsigithub/arm-trusted-firmware_public,lsigithub/arm-trusted-firmware_public