Reduce number of compilations in buffer suite (#1082) * Reduce number of compilations in buffer suite Extracts program and kernel compilation from mem_flags loop as they were being recompiled unnecessarily. Fixes #1020 Signed-off-by: Ellen Norris-Thompson <ellen.norris-thompson@arm.com> * Remove misplaced frees in buffer tests Contributes #1020 Signed-off-by: Ellen Norris-Thompson <ellen.norris-thompson@arm.com>
