[grenoble] correct ib1 rate

data/grid5000/sites/grenoble/clusters/edel/nodes/edel-51.json

@@ -83,7 +83,7 @@
       "management": false,
       "mountable": false,
       "mounted": false,
-      "rate": 10000000000,
+      "rate": 8000000000,
       "vendor": "Mellanox",
       "version": "MT26428"
     },

data/grid5000/sites/grenoble/clusters/edel/nodes/edel-69.json

@@ -83,7 +83,7 @@
       "management": false,
       "mountable": false,
       "mounted": false,
-      "rate": 10000000000,
+      "rate": 8000000000,
       "vendor": "Mellanox",
       "version": "MT26428"
     },

generators/input/sites/grenoble/clusters/edel_generated.yaml

@@ -3988,7 +3988,7 @@ edel-51:
     ib1:
       mounted: false
       guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:00:00:00:00:00:00:00
-      rate: 10000000000
+      rate: 8000000000
       management: false
       enabled: false
       interface: InfiniBand
@@ -5414,7 +5414,7 @@ edel-69:
     ib1:
       mounted: false
       guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:00:00:00:00:00:00:00
-      rate: 10000000000
+      rate: 8000000000
       management: false
       enabled: false
       interface: InfiniBand