[ORC-RT] Fix typo.

Removes the stray '$' that slipped in to c1c585a065e5.

GitOrigin-RevId: acce4241111e3087319048b3d3aebab150c761c2
diff --git a/test/orc/CMakeLists.txt b/test/orc/CMakeLists.txt
index 4d3e80c..e8811d9 100644
--- a/test/orc/CMakeLists.txt
+++ b/test/orc/CMakeLists.txt
@@ -9,7 +9,7 @@
 #       regression testing entirely when it's not available.
 if (NOT ANDROID AND NOT COMPILER_RT_STANDALONE_BUILD AND
     NOT LLVM_RUNTIMES_BUILD)
-  list(APPEND ORC_TEST_DEPS $llvm-jitlink)
+  list(APPEND ORC_TEST_DEPS llvm-jitlink)
 endif()
 
 set(ORC_TEST_ARCH ${ORC_SUPPORTED_ARCH})