1) Replace immediate constant with MACRO.
2) Add in ASSERT for NULL before dereferencing pointers and after memory allocation.
3) Add a return statement in ProcessOptions to handle the mismatch between the value stored and the opcode for one-of-option in orderedlist opcode. This case occurs when the one-of-optoin entry in OrderedList get deleted.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7320 6f19259b-4bc3-4df7-8a09-765794883524
qwang12