Fix link error with shared libraries

/usr/bin/ld: unittests/ExecutionEngine/Orc/CMakeFiles/OrcJITTests.dir/L
ibraryResolverTest.cpp.o: undefined reference to symbol '_ZN4llvm4yaml1
1convertYAMLERNS0_5InputERNS_11raw_ostreamENS_12function_refIFvRKNS_5Tw
ineEEEEjm'
/usr/bin/ld: lib/libLLVMObjectYAML.so.22.0git: error adding symbols: DS
O missing from command line

Author: kparzysz

llvm/unittests/ExecutionEngine/Orc/CMakeLists.txt

@@ -5,6 +5,7 @@ set(LLVM_LINK_COMPONENTS
   IRReader
   JITLink
   Object
+  ObjectYAML
   OrcDebugging
   OrcJIT
   OrcShared