Tegra194: introduce support for `SPD=spmd`
Tegra194: introduce support for `SPD=spmd`

This patch introduces the following changes to enable
compilation for `SPD=spmd` command line option.

* compile plat_spmd_manifest.c
* compile libfdt source files

Verified with the `SPD=spmd` command line option for
Tegra194 platforms.

Signed-off-by: Varun Wadekar <517ae08f01cae398dbba5bef5ba1750f384c6daf@nvidia.com>
Change-Id: I7f57aa4f1756b19f78d87415bb80794417174bc8

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware