overview-manual, ref-manual: Moved "Shared State Cache" to overview manual

Fixes [YOCTO #12370]

The section on shared state cache needed to be in the overview manual
and not in the ref-manual.  I moved it.  Some links were affected,
which I fixed.

(From yocto-docs rev: 1c4e5207bdde19d4b48ef42b1de81390d8a02d64)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/ref-manual/usingpoky.xml b/documentation/ref-manual/usingpoky.xml
index f1fd452a06..73b5df88dd 100644
--- a/documentation/ref-manual/usingpoky.xml
+++ b/documentation/ref-manual/usingpoky.xml
@@ -535,7 +535,7 @@
      ${BUILDDIR}/tmp/stamps/i586-poky-linux/db/6.0.30-r1.do_fetch.sigdata.7c048c18222b16ff0bcee2000ef648b1
                     </literallayout>
                     For tasks that are accelerated through the shared state
-                    (<link linkend='shared-state-cache'>sstate</link>)
+                    (<ulink url='&YOCTO_DOCS_OVERVIEW_URL;#shared-state-cache'>sstate</ulink>)
                     cache, an additional <filename>siginfo</filename> file is
                     written into
                     <link linkend='var-SSTATE_DIR'><filename>SSTATE_DIR</filename></link>