releases: Update Aladen installation instruction

It's difficult to build Aladen with repo tool due to repo reorg.
Provide signed release tarball to simplify build process and keep
the release.

Signed-off-by: Pavel Zhukov <pavel@zhukoff.net>
Signed-off-by: Pavel Zhukov <pavel.zhukov@huawei.com>

releases/aladeen/0.1.0/release_notes.rst

@@ -106,12 +106,13 @@ the |main_project_name| project for a supported target. Visit the
 :ref:`Hardware Support <HardwareSupport>` section for instructions on how to
 build for other supported targets.
 
-Visit :ref:`setting up a repo workspace <RepoWorkspace>` for general instruction
-while using the release tag for the repo init commands as follows:
+Due to project rename and reorganization of the repos Aladen release doesn't require
+repo tool. Entire workspace is archived into sources tarball and can be prepared with:
 
 .. code-block:: console
 
-    repo init -u https://booting.oniroproject.org/distro/oniro.git -b refs/tags/v0.1.0
+   $ tar -xvf asos-0.1.0.tar.xz
+   $ cd asos-0.1.0
 
 Known issues
 ------------
@@ -123,9 +124,34 @@ them during the normal image builds for this board.
 Source code available
 ---------------------
 
-For more details on our repo structure, see:
+Source code and GPG signatures:
 
-`|main_project_name| group at GitLab <https://booting.oniroproject.org/distro>`__ document
+`asos-0.1.0.tar.xz <https://obs.eu-de.otc.t-systems.com/files.ostc-eu.org/asos-0.1.0.tar.xz>`_
+
+`asos-0.1.0.tar.xz.sig <https://obs.eu-de.otc.t-systems.com/files.ostc-eu.org/asos-0.1.0.tar.xz.sig>`_
+
+The release is signed with the key:
+
+.. code-block::
+
+   -----BEGIN PGP PUBLIC KEY BLOCK-----
+
+   mDMEYMoZMBYJKwYBBAHaRw8BAQdAJhMs58bN6YYu2v9xZcyIkSSKQdpRm61Cac7y
+   FPuN8BK0VlN0ZWZhbiBTY2htaWR0IChBbGwgU2NlbmFyaW9zIE9TIFJlbGVhc2Ug
+   U2lnbmluZyBLZXkgMjAyMCkgPHN0ZWZhbi5zY2htaWR0QGh1YXdlaS5jb20+iJYE
+   ExYIAD4WIQQHOpqTQvKyQyHYvxd7YfaxNxtJNwUCYMoZMAIbAwUJAeEzgAULCQgH
+   AgYVCgkICwIEFgIDAQIeAQIXgAAKCRB7YfaxNxtJN1DDAP4q1a4jJh0PVtF/OTRf
+   AhbBb2R8pFx5WLTGgUBvyFNXvwD9HFZHJCH7z8OvcO+70r27J3Kbwn/COPsu4eZI
+   x11UYwu4MwRgyhkwFgkrBgEEAdpHDwEBB0CBT/QrS+DquNFyzLFiwntmiz3ml553
+   WAFapVYBooBY2Yh+BBgWCAAmFiEEBzqak0LyskMh2L8Xe2H2sTcbSTcFAmDKGTAC
+   GyAFCQHhM4AACgkQe2H2sTcbSTdRCwD/cstokK68pKzdpVldJmAth54jQu6wJtEJ
+   4h5ABbPs92gBAPMfzKk15b1c5GaXOCrduOx8EPX4okH9yE+v0UfESGkBuDgEYMoZ
+   MBIKKwYBBAGXVQEFAQEHQH/9Ag5C0I+DL4zu09dT6Gp/Fgzvg5dTqxSLf/5TlBEd
+   AwEIB4h+BBgWCAAmFiEEBzqak0LyskMh2L8Xe2H2sTcbSTcFAmDKGTACGwwFCQHh
+   M4AACgkQe2H2sTcbSTesYAD+O0A0NMi6OnqO7Ozknpzf/+FgT5n/fYmbc1dbAzSp
+   klgA/jeBSvrxjZ1V5QoptpWamjhVwbdWavCR5iDGcVa9aCkG
+   =lKOe
+   -----END PGP PUBLIC KEY BLOCK-----
 
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