xorg-doc: obsolete old versions

Acked-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

diff --git a/recipes/xorg-doc/xorg-docs_1.5.bb b/recipes/obsolete/xorg-doc/xorg-docs_1.5.bb
similarity index 100%
rename from recipes/xorg-doc/xorg-docs_1.5.bb
rename to recipes/obsolete/xorg-doc/xorg-docs_1.5.bb

diff --git a/recipes/xorg-doc/xorg-sgml-doctools_1.3.bb b/recipes/obsolete/xorg-doc/xorg-sgml-doctools_1.3.bb
similarity index 100%
rename from recipes/xorg-doc/xorg-sgml-doctools_1.3.bb
rename to recipes/obsolete/xorg-doc/xorg-sgml-doctools_1.3.bb