[ros-diffs] [ion] 24346: - Implement ExpIsLoaderValid to validate the LOADER_PARAMETER_BLOCK's extension for the right size and version (we currently support 5.2 and over). - Add code in KiRosFrldrLpbToNtLpb to setup a LOADER_PARAMETER_EXTENSION and set the right version and size. - Initialize the per-CPU PRCB Paged/NPaged lookaslide pool lists. - Add code to support application CPUs booting in ExpInitializeExecutive, and pass the loaderblock as a parameter.