manuals: add references to the "do_build" task

[YOCTO #14508]
(From yocto-docs rev: c8efd2eeb329344c48935f8998e9a689d66348ca)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Reported-by: Quentin Schulz <foss@0leil.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/dev-manual/common-tasks.rst

@@ -9595,8 +9595,8 @@ Running Specific Tasks
 Any given recipe consists of a set of tasks. The standard BitBake
 behavior in most cases is: :ref:`ref-tasks-fetch`, ``do_unpack``, ``do_patch``,
 ``do_configure``, ``do_compile``, :ref:`ref-tasks-install`, ``do_package``,
-``do_package_write_*``, and ``do_build``. The default task is
-``do_build`` and any tasks on which it depends build first. Some tasks,
+``do_package_write_*``, and :ref:`ref-tasks-build`. The default task is
+:ref:`ref-tasks-build` and any tasks on which it depends build first. Some tasks,
 such as ``do_devshell``, are not part of the default build chain. If you
 wish to run a task that is not part of the default build chain, you can
 use the ``-c`` option in BitBake. Here is an example::

documentation/migration-guides/migration-3.4.rst

@@ -206,7 +206,7 @@ Package/recipe splitting
 Image / SDK generation changes
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-- Recursive dependencies on the ``do_build`` task are now disabled when
+- Recursive dependencies on the :ref:`ref-tasks-build` task are now disabled when
   building SDKs. These are generally not needed; in the unlikely event
   that you do encounter problems then it will probably be as a result of
   missing explicit dependencies that need to be added.