Deleted x64\SwitchStack.c Ipf/SwitchStack.c.

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

MdePkg/Library/BaseLib/LinkedList.c

@@ -34,6 +34,10 @@ IsNodeInList (
   ASSERT (Node != NULL);
 
   Count = FixedPcdGet32 (PcdMaximumLinkedListLength);
+  if (Count != 0) {
+    Count++;
+  }
+
   Ptr = List;
   do {
     Ptr = Ptr->ForwardLink;
@@ -44,6 +48,7 @@ IsNodeInList (
   if (FixedPcdGet32 (PcdMaximumLinkedListLength) > 0) {
     while ((Count > 0) && (Ptr != List)) {
       Ptr = Ptr->ForwardLink;
+      Count--;
     }
     ASSERT (Count > 0);
   }