1) Re-fine and fully test the mechanism of getting over the long command line limitation

1) Re-fine and fully test the mechanism of getting over the long command line limitation
2) Change the -s option from "SpawnMode" to be "SilentMode"
3) Change the prototype of PeiCoreEntryPoint in AutoGen-ed code
4) Remove CalcDeps module since it's no longer needed.
5) Remove "-k", "-g" and "-l" switches from build
6) Remove MULTIPLE_THREAD in target.template. Use MAX_CONCURRENT_THREAD_NUMBER to get the functionality.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7158 6f19259b-4bc3-4df7-8a09-765794883524