[CMake] Gate 'dsymutil' dependency

Only add `dsymutil` as a test dependency when this is not a stand-alone
build (LLDB_BUILT_STANDALONE).

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@330568 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 040d7ae..e1ffda0 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -13,7 +13,7 @@
     )
 endfunction()
 
-set(LLDB_TEST_DEPS lldb dsymutil)
+set(LLDB_TEST_DEPS lldb)
 
 # darwin-debug is an hard dependency for the testsuite.
 if (CMAKE_SYSTEM_NAME MATCHES "Darwin")
@@ -35,7 +35,7 @@
 endif()
 
 if(NOT LLDB_BUILT_STANDALONE)
-  list(APPEND LLDB_TEST_DEPS yaml2obj)
+  list(APPEND LLDB_TEST_DEPS yaml2obj dsymutil)
 endif()
 
 if(TARGET liblldb)