llvm bots monitor: Move 3 SVE bots to silent

Due to hardware restrictions, we have very long build
times that make having these bots notify automatically
a bad idea.

Only sve-vla 1 stage will be "normal" until we get a
better idea of how much capacity we really have.

Change-Id: Id719f0029803dd5f5df657e872308b0feced4d7c
diff --git a/monitor/linaro.json b/monitor/linaro.json
index 125285f..c45730f 100644
--- a/monitor/linaro.json
+++ b/monitor/linaro.json
@@ -99,6 +99,14 @@
         "bots": [
           { "name": "clang-armv8-lld-2stage" }
         ]
+      },
+      {
+        "name": "SVE Bots",
+        "bots": [
+          { "name": "clang-aarch64-sve-vls" },
+          { "name": "clang-aarch64-sve-vla-2stage" },
+          { "name": "clang-aarch64-sve-vls-2stage" }
+        ]
       }
     ]
   },