Build: Move NSCE into extra_params

NSCE is not a common config which is needed in all config groups.
To make CI configs easier to maintain, move NSCE into extra_params.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: I9d9690126d2c9d621bf6e6262a37947f1546e290
2 files changed