Tegra: enable runtime console
Tegra: enable runtime console

This patch enables the runtime console for all Tegra platforms
before exiting BL31. This would enable debug/error prints to be
always displayed on the UART console.

Change-Id: Ic48d61d05b0ab07973d6fc2dc6b68733a42a3f63
Signed-off-by: Varun Wadekar <517ae08f01cae398dbba5bef5ba1750f384c6daf@nvidia.com>

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