feat(openthread): add sbom manifest file

components/openthread/sbom.yml

@@ -0,0 +1,7 @@
+name: 'openthread component'
+version: '2023-07-06'
+supplier: 'Organization: Espressif Systems (Shanghai) CO LTD'
+description: Espressif fork of OpenThread project, used to maintain ESP-specific patches and release branches
+manifests:
+   - path: sbom_openthread.yml
+     dest: openthread

components/openthread/sbom_openthread.yml

@@ -0,0 +1,8 @@
+name: 'openthread'
+version: '2023-07-06'
+cpe: cpe:2.3:o:google:openthread:{}:*:*:*:*:*:*:*
+supplier: 'Organization: Espressif Systems (Shanghai) CO LTD'
+originator: 'Organization: Google LLC'
+description: OpenThread released by Google is an open-source implementation of the Thread networking
+url: https://github.com/espressif/openthread
+hash: 41ef80717f4b757440125932723cc8721ef42f7f