refactor: rename invalid-access with memory-access

In [1] the invalid-access set of tests were renamed to memory-access.

[1] https://review.trustedfirmware.org/c/TF-A/tf-a-tests/+/22246

Change-Id: Ib6dd2af8f03daef42cae13ebb349b1d916644b57
Signed-off-by: J-Alves <joao.alves@arm.com>
6 files changed