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.

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