feat(sve): adds a new test for SPM+SVE

Adds a new SPM test to enable testing of SVE-enabled systems.
Adds a new run_config to separate SVE-enabled environment from
fvp-default.

Signed-off-by: Maksims Svecovs <maksims.svecovs@arm.com>
Change-Id: Idd77bb8671cb5ca1d78250b28de62990cb17ff7c
4 files changed