Fix file headers

Move stack alignment check from CPU specific files into common SwitchStack() function and add VA_END() to SwitchStack().
Fix incorrect syntax for ASM_FUNCTION_REMOVE_IF_UNREFERENCED






git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9193 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseLib/Ebc/SwitchStack.c

@@ -54,11 +54,5 @@ InternalSwitchStack (
   // This is to support compilation of CPU types that do not support assemblers
   // such as EBC
   //
-
-  //
-  // Stack should be aligned with CPU_STACK_ALIGNMENT
-  //
-  ASSERT (((UINTN)NewStack & (CPU_STACK_ALIGNMENT - 1)) == 0);
-
   EntryPoint (Context1, Context2);
 }