Fix rocprofiler plugin

- Replace non-working fields with working ones
    - remove CU_OCCUPANCY completely as it isn't well supported
- Fix rocprofiler initialization with shared_ptr and rdc_module_init
- Replace env var ROCPROFILER_METRICS_PATH with ROCP_METRICS
    - ROCPROFILER_METRICS_PATH is only relevant for rocprofv2
    - ROCP_METRICS is only relevant for rocprofv1 (which we are using)

Change-Id: I21e6fa3f0e1694c38f44ca0e5659d672559f7380
Signed-off-by: Galantsev, Dmitrii <dmitrii.galantsev@amd.com>

include/rdc/rdc.h

@@ -250,13 +250,11 @@ typedef enum {
   /**
    * @brief ROC-profiler related fields
    */
-  RDC_FI_PROF_CU_OCCUPANCY = 800,
-  RDC_FI_PROF_MEAN_OCCUPANCY_PER_CU,
+  RDC_FI_PROF_MEAN_OCCUPANCY_PER_CU = 800,
   RDC_FI_PROF_MEAN_OCCUPANCY_PER_ACTIVE_CU,
   RDC_FI_PROF_ACTIVE_CYCLES,
   RDC_FI_PROF_ACTIVE_WAVES,
   RDC_FI_PROF_ELAPSED_CYCLES,
-
   // metrics below are divided by time passed
   RDC_FI_PROF_EVAL_MEM_R_BW,
   RDC_FI_PROF_EVAL_MEM_W_BW,