Move llvm/test/CodeGen/X86/clear-liverange-spillreg.mir to SystemZ. It was in wrong...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@313218 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/clear-liverange-spillreg.mir b/test/CodeGen/SystemZ/clear-liverange-spillreg.mir
similarity index 100%
rename from test/CodeGen/X86/clear-liverange-spillreg.mir
rename to test/CodeGen/SystemZ/clear-liverange-spillreg.mir