Remove execute right from test memory-region

Execute right must not be added to the region, only read/write or
read-only attributes are supported by the FFA spec for data regions.

Signed-off-by: Gabor Toth <gabor.toth2@arm.com>
Change-Id: Ifeb2cb85f5bcdc18061059706b3f4427f78b04c9
3 files changed