SWDEV-308763 - Update hiprtc tests to link with hiprtc lib (#2575)

hiprtc is made into a separate lib and hence tests should link with it explicitly during compilation
Also, updates the hiprtc programming guide

Change-Id: Ie1f9d7250d4a8622b77ef92938fc0decbaeb72f9

[ROCm/hip-tests commit: 7d45f699fc]

projects/hip-tests/catch/unit/rtc/CMakeLists.txt

@@ -1,16 +1,23 @@
-# AMD Tests
+# Common Tests - Test independent of all platforms
 set(TEST_SRC
     saxpy.cc
     warpsize.cc
 )
 
+# AMD only tests
+set(AMD_TEST_SRC
+    customOptions.cc
+)
+
 if(HIP_PLATFORM MATCHES "nvidia")
   hip_add_exe_to_target(NAME RTC
                       TEST_SRC ${TEST_SRC}
                       TEST_TARGET_NAME build_tests
                       LINKER_LIBS nvrtc)
 elseif(HIP_PLATFORM MATCHES "amd")
+  set(TEST_SRC ${TEST_SRC} ${AMD_TEST_SRC})
   hip_add_exe_to_target(NAME RTC
                       TEST_SRC ${TEST_SRC}
-                      TEST_TARGET_NAME build_tests)
+                      TEST_TARGET_NAME build_tests
+                      LINKER_LIBS hiprtc)
 endif()