rocprofiler: add valu utilization

SWDEV-475242

For the description of "FP32 Engine Activity" and "FP64 Engine Activity" in dcgm,
It seems that we do not have an equivalent to these pipe-utilizations on our hardware.

In rocprofiler, I think VALU Utilization is the closest to what we want.

Change-Id: Ibce8835ef4757084cdfd73258de6fc1606ca0158
Signed-off-by: Chen Gong <curry.gong@amd.com>

include/rdc/rdc.h

@@ -277,6 +277,7 @@ typedef enum {
   RDC_FI_PROF_EVAL_FLOPS_16,
   RDC_FI_PROF_EVAL_FLOPS_32,
   RDC_FI_PROF_EVAL_FLOPS_64,
+  RDC_FI_PROF_VALU_PIPE_ISSUE_UTIL,
 
   /**
    * @brief Raw XGMI counter events