Populate FVP YAML files for cortex-a76x4 and cortex-a76aex4 models

FVP YAML file generation is a two step process: 1. yaml template
creation and 2. fvp values replacement on template created by 1. This
patch only relates to 2 and specifically for 'cortex-a76x4' and
'cortex-a76aex4' models.

Signed-off-by: Leonardo Sandoval <leonardo.sandoval@linaro.org>
Change-Id: I89ca8cfa53b8e41080777d6f1190d9cd47580962
2 files changed