Refine and add new Rome models (#548)

[ROCm/rccl commit: 283dc86a73]

projects/rccl/tools/scripts/topo_val.sh

@@ -21,7 +21,7 @@
 
 DIR="$(cd -P "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
-for i in {0..74}
+for i in {0..76}
 do
 	if [[ $i -eq 50 ]] || [[ $i -eq 51 ]]
 	then