Rename libpsa to libpsats

Instead of using a generic name for the library, give it a TS specific
name to avoid possible naming collisions with other psa libraries in
the future.

Change-Id: Icea9be4d836f7d22300b20c8d6a5f8bd8fae1133
Signed-off-by: Gabor Toth <gabor.toth2@arm.com>
27 files changed