Adding CMSIS-View

Change-Id: I529f7b0c9ac458ad8da2e42a47e53a1bdc9bfcfe
diff --git a/externals.json b/externals.json
index ea992a4..aa8feb1 100644
--- a/externals.json
+++ b/externals.json
@@ -25,6 +25,11 @@
             "revision": "develop"
         },
         {
+            "path": "core_software/cmsis-view",
+            "fetchurl": "https://github.com/ARM-software/CMSIS-View.git",
+            "revision": "main"
+        },
+        {
             "path": "core_software/rtos/freertos",
             "fetchurl": "https://github.com/aws/amazon-freertos.git",
             "revision": "main"