RocJpeg cmake and document fixes (#157)

- Fix for rocjpeg sample cmake due to changes in the rocJPEG project
- Fix for rocprofiler-sdk version check - change the format
- Edits to docs for jpeg and vcn activity support - mention that these values may not be supported on all ASICs.

source/lib/core/rocprofiler-sdk.cpp

@@ -360,8 +360,7 @@ get_callback_domains()
             ROCPROFILER_CALLBACK_TRACING_HIP_COMPILER_API,
             ROCPROFILER_CALLBACK_TRACING_MARKER_CORE_API,
             ROCPROFILER_CALLBACK_TRACING_CODE_OBJECT,
-#    if(ROCPROFILER_VERSION_MAJOR == 0 && ROCPROFILER_VERSION_MINOR >= 7) ||             \
-        ROCPROFILER_VERSION_MAJOR >= 1
+#    if(ROCPROFILER_VERSION >= 700)
             ROCPROFILER_CALLBACK_TRACING_ROCDECODE_API,
             ROCPROFILER_CALLBACK_TRACING_ROCJPEG_API,
 #    endif