Added SwitchStack.c in Baselib\
Rename Ia32/SwitchStack.c to Ia32/InternalSwitchStack.c
Changed _SwitchStack() into InternalSwitchStack() in SwitchStack.asm and SwitchStack.s
Fixed one bug in LinkedList.c, that List length couldn't up to PcdMaximumLinkedListLength.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@394 6f19259b-4bc3-4df7-8a09-765794883524
vanjeff