Move test into non-target-specific directory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@313672 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/tools/llvm-dwarfdump/X86/cmdline.test b/test/tools/llvm-dwarfdump/cmdline.test
similarity index 100%
rename from test/tools/llvm-dwarfdump/X86/cmdline.test
rename to test/tools/llvm-dwarfdump/cmdline.test