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/Ipf/SwitchStack.s

@@ -66,7 +66,7 @@
 
 
 //VOID
-//_SwitchStack (
+//InternalSwitchStack (
 //    VOID    *ContinuationFunction,
 //    UINTN   Parameter,
 //    UINTN   NewTopOfStack,
@@ -85,7 +85,7 @@
 //
 //--*/
 
-PROCEDURE_ENTRY(_SwitchStack)
+PROCEDURE_ENTRY(InternalSwitchStack)
 
         mov        r16 = -0x10;;
         and        r16 = r34, r16;;             // get new stack value in R16, 0 the last nibble.
@@ -117,6 +117,6 @@ PROCEDURE_ENTRY(_SwitchStack)
         ;;
         br.call.sptk.few b0=b6;;                // Call the continuation function
         ;;
-PROCEDURE_EXIT(_SwitchStack)
+PROCEDURE_EXIT(InternalSwitchStack)