scripts: west-commands: add an entry for the patch command

Add an entry to west-commands.yml for the west patch command.

Signed-off-by: Chris Friedt <cfriedt@tenstorrent.com>

Author: cfriedt

scripts/west-commands.yml

@@ -89,3 +89,8 @@ west-commands:
       - name: packages
         class: Packages
         help: manage packages for Zephyr
+  - file: scripts/west_commands/patch.py
+    commands:
+      - name: patch
+        class: Patch
+        help: manage patches for Zephyr modules