Changes for SBSA 7.1.1 and BSA 1.0.4 release

- Added new placeholder PAL API's in BSA
- Added PAL API's to free aligned memory
- Added skip changes

Signed-off-by: Sujana M <sujana.m@arm.com>

Co-authored-by: Srikar Josyula <srikar.josyula@arm.com>
Co-authored-by: Sujana M <sujana.m@arm.com>