docs: update current releases for Walnascar

(From yocto-docs rev: 3a9a2aebf64f3cf62096ca80be670862b13bead3)

Signed-off-by: Michael Halstead <mhalstead@linuxfoundation.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/poky.yaml.in

@@ -4,18 +4,18 @@
 
 # The DISTRO variable represents the current docs version. It should be used
 # when referring to the current docs version. See also DISTRO_LATEST_TAG.
-DISTRO : "5.1"
+DISTRO : "5.2"
 # The DISTRO_LATEST_TAG represents the latest tag on the current branch. It
 # should be used in HTTP link referring to the current docs version. In these
 # cases, the DISTRO may point to A.B.999 which does not exist (just used to
 # represent the latest HEAD revision on the branch). DISTRO_LATEST_TAG should
 # always point to an existing tag.
-DISTRO_LATEST_TAG : "5.1"
-DISTRO_NAME_NO_CAP : "styhead"
-DISTRO_NAME : "Styhead"
-DISTRO_NAME_NO_CAP_MINUS_ONE : "scarthgap"
+DISTRO_LATEST_TAG : "5.2"
+DISTRO_NAME_NO_CAP : "walnascar"
+DISTRO_NAME : "Walnascar"
+DISTRO_NAME_NO_CAP_MINUS_ONE : "styhead"
 DISTRO_NAME_NO_CAP_LTS : "scarthgap"
-YOCTO_DOC_VERSION : "5.1"
+YOCTO_DOC_VERSION : "5.2"
 DISTRO_REL_TAG : "yocto-$DISTRO;"
 DISTRO_REL_LATEST_TAG : "yocto-&DISTRO_LATEST_TAG;"
 DOCCONF_VERSION : "dev"