sdk-manual: extensible.rst: update devtool ide-sdk

Replace
  devtool ide-sdk --debug-build-config
by
  devtool modify --debug-build

This change was introduced with commit
https://git.yoctoproject.org/poky/commit/?id=1f7eb26c947dde14698ae6e2ab88f0637027f4cb

(From yocto-docs rev: e2b6a4c6c633e79d0e4975ba2e1a27a8c1b8c1c5)

Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Reviewed-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/sdk-manual/extensible.rst

@@ -669,7 +669,8 @@ The extensible SDK supports two different development modes.
       IMAGE_INSTALL:append = " my-recipe"
 
    Assuming the BitBake environment is set up correctly and a workspace has
-   been created for the recipe using ``devtool modify my-recipe``, the
+   been created for the recipe using ``devtool modify my-recipe`` or probably
+   even better by using ``devtool modify my-recipe --debug-build``, the
    following command can create the SDK and the configuration for VSCode in
    the recipe workspace::
 
@@ -786,8 +787,8 @@ The extensible SDK supports two different development modes.
    .. code-block:: sh
 
       # Create the SDK
-      devtool modify cmake-example
-      devtool ide-sdk cmake-example core-image-minimal -c --debug-build-config --ide=none
+      devtool modify cmake-example --debug-build
+      devtool ide-sdk cmake-example core-image-minimal -c --ide=none
 
       # Install the firmware on a target device or start QEMU
       runqemu