Move test so that it is skipped if the ARM target is not enabled.

llvm-svn: 211366
diff --git a/llvm/test/CodeGen/ARM/null-streamer.ll b/llvm/test/CodeGen/ARM/null-streamer.ll
new file mode 100644
index 0000000..350c45e
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/null-streamer.ll
@@ -0,0 +1,7 @@
+; Test the null streamer with a terget streamer.
+; RUN: llc -O0 -filetype=null -mtriple=arm-linux < %s
+
+define i32 @main()  {
+entry:
+  ret i32 0
+}