documentation: Prepared for 2.5.2 document release

Updated poky.ent to use "TBD" for the release date variable.
Updated the mega-manual.sed file to use "2.5.2"
Updated all the <manual>.xml files to include a new entry for
  the 2.5.2 release date
Updated poky.ent to have all applicable 2.5.2 variables changed.

(From yocto-docs rev: 189ec469aa8797d75567cfef444b9896d3467e7a)

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

1 files changed, 5 insertions, 0 deletions

diff --git a/documentation/overview-manual/overview-manual.xml b/documentation/overview-manual/overview-manual.xml
index 4f581afd9f..d7f04abe95 100644
--- a/documentation/overview-manual/overview-manual.xml
+++ b/documentation/overview-manual/overview-manual.xml
@@ -41,6 +41,11 @@
                 <date>September 2018</date>
                 <revremark>The initial document released with the Yocto Project 2.5.1 Release.</revremark>
             </revision>
+            <revision>
+                <revnumber>2.5.2</revnumber>
+                <date>&REL_MONTH_YEAR;</date>
+                <revremark>The initial document released with the Yocto Project 2.5.2 Release.</revremark>
+            </revision>
         </revhistory>
 
     <copyright>