Fix test failure without X86 backend

move test/Transforms/SimplifyCFG/disable-lookup-table.ll into test/Transforms/SimplifyCFG/X86/disable-lookup-table.ll to avoid test failure when X86 backend is not enabled

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@309487 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/SimplifyCFG/disable-lookup-table.ll b/test/Transforms/SimplifyCFG/X86/disable-lookup-table.ll
similarity index 100%
rename from test/Transforms/SimplifyCFG/disable-lookup-table.ll
rename to test/Transforms/SimplifyCFG/X86/disable-lookup-table.ll