SWDEV-475244 - Memory Usage and Bandwidth: max mem and current mem

Implemented max memory bandwith and current memory bandwidth. Added two
new field ids: RDC_FI_GPU_MEMORY_MAX_BANDWIDTH, RDC_FI_GPU_MEMORY_CUR_BANDWIDTH

Signed-off-by: Li Ma <li.ma@amd.com>
Change-Id: I453e49937a84777146575f4f5bdd69fd4fe53bfc

include/rdc/rdc.h

@@ -188,6 +188,8 @@ typedef enum {
   RDC_FI_GPU_MM_ENC_UTIL,  //!< Multimedia encoder busy percentage
   RDC_FI_GPU_MM_DEC_UTIL,  //!< Multimedia decoder busy percentage
   RDC_FI_GPU_MEMORY_ACTIVITY,  //!< Memory busy percentage
+  RDC_FI_GPU_MEMORY_MAX_BANDWIDTH,  //<! The Memory max bandwidth at current memory clock in Mb/Second
+  RDC_FI_GPU_MEMORY_CUR_BANDWIDTH,  //<! The Memory current bandwidth in Mb/Second
 
   /**
    * @brief GPU page related fields