docs: fix broken references to machines-and-flavours

This was missed as CI was not operational during the big move.

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@huawei.com>

docs/ci/hidden-jobs/build-freertos.rst

@@ -14,4 +14,4 @@ Usage Guide
 ===========
 
 This job is not intended for direct use. Instead it serves as a base for all
-the FreeRTOS-specific :doc:`../shared-jobs`.
+the FreeRTOS-specific :doc:`../machines-and-flavours`.

docs/ci/hidden-jobs/build-linux.rst

@@ -18,8 +18,9 @@ Usage Guide
 ===========
 
 This job is not intended for direct use. Instead it serves as a base for all
-the Linux-specific :doc:`../shared-jobs`. It may be re-defined in a pipeline to
-alter ``rules`` or ``variables`` in a way that fits a particular purpose.
+the Linux-specific :doc:`../machines-and-flavours`. It may be re-defined in a
+pipeline to alter ``rules`` or ``variables`` in a way that fits a particular
+purpose.
 
 If used directly, it is recommended pick the desired ``MACHINE`` and to
 override the entire script section and refer to the base ``.bitbake-workspace``

docs/ci/hidden-jobs/build-zephyr.rst

@@ -14,4 +14,4 @@ Usage Guide
 ===========
 
 This job is not intended for direct use. Instead it serves as a base for all
-the Zephyr-specific :doc:`../shared-jobs`.
+the Zephyr-specific :doc:`../machines-and-flavours`.

docs/ci/hidden-jobs/index.rst

@@ -6,7 +6,7 @@ Hidden Jobs
 ===========
 
 There's a number of *hidden jobs*, which start with the dot character, that are
-used as foundation for the set of :doc:`shared jobs <../shared-jobs>`. Hidden
+used as foundation for the set of :doc:`../machines-and-flavours`. Hidden
 jobs do not participate in any pipeline directly. They can only be used as
 templates, using the ``extends: ...`` mechanism, to share and reuse
 implementation details.