SWDEV-355608 - deprecate/cleanup hipcc link flags (#3128)

- deprecate -use-staticlib, -use-sharedlib which no longer provide any
functional values
- use --hip-link instead of specifying the HIP runtime by name when
linking
- fix linker option bug in HIT test's cmake
- update build options for unit tests requiring pthread or rt

Change-Id: Ib49978773c80fb40c71dc52b050ce921943ee3e4

tests/catch/unit/multiThread/CMakeLists.txt

@@ -5,6 +5,11 @@ set(TEST_SRC
   hipMultiThreadStreams2.cc
 )
 
+if (UNIX)
+  set(__LINKER_LIBS__ pthread)
+endif()
+
 hip_add_exe_to_target(NAME MultiThreadTest
                       TEST_SRC ${TEST_SRC}
-                      TEST_TARGET_NAME build_tests)
+                      TEST_TARGET_NAME build_tests
+                      LINKER_LIBS ${__LINKER_LIBS__})