feat(fvp_r): add build configurations

This patch adds build configuration for fvp_r platform

Signed-off-by: John Powell <john.powell@arm.com>
Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: I5ea787f103753ed178915c1e3a70f8d5cf1bf5d0
5 files changed