Build: Revert hotfix and fix BL2 test issues

- Revert all hotfix changes
- Move PSA api test cmake from secure_fw into app cmakelists
- Change log from using DOMAIN_NS to USE_SP_LOG and invert ifdefs
- Update BL2 tests to avoid corrupting images in various scenarios
- Standardise test skip colour and fix colour name typo

Change-Id: I10a1d7ee7123f452cf56eb29bc255a4f44b7b795
Signed-off-by: Raef Coles <raef.coles@arm.com>
10 files changed