Implement some TODOs,
Remove TODOs in PIXITs
Minor bugs fixed

- Merging of different component types
- Mapping of components name to role within test configuration
- deep review of DS-Lite and 464XLAT test suites

Aligned naming of test cases.
Minor changes.

Added initial version of TC_464XLAT_PLATLSN_AW_BV_001, TC_464XLAT_PLATLSN_AW_BV_002, TC_464XLAT_PLATLSN_AW_BV_003.

TC_464XLAT_PLAT_LSN_ALG_BV_003,
TC_464XLAT_PLAT_LSN_ALG_BV_004,
TC_464XLAT_PLAT_LSN_ALG_BV_005.

Moved up some functions from AtsNat64 to AtsCommon.

Added missing ports in TestAdapter component.