refactor(fvp): remove sve plugin usage

From 11.26 Model onwards SVE plugin loading is not needed and sve
needs to be just enabled using a model option.

Manually resolved conflicts:
      model/base-aemv8a.sh
      model/base-aemva-common.sh
      run_config/fvp-spm.sve+amu
      run_config/fvp-spm.sve+amu.bmcov

Change-Id: Id4082321ca91e5114a99588772b172576f1d44f4
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
(cherry picked from commit 700a3df75d3170f37863f67b5e9ed9d4c9a266d5)
9 files changed