Fix Source Mage family mapping (#80985)

* Fix Source Mage family mapping

* Update docs too

* Add changelog fragment

changelogs/fragments/80985-fix-smgl-family-mapping.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - distribution facts - fix Source Mage family mapping

docs/docsite/rst/playbook_guide/playbooks_conditionals.rst

@@ -569,7 +569,7 @@ Possible values (sample, not complete list):
     HP-UX
     Mandrake
     RedHat
-    SGML
+    SMGL
     Slackware
     Solaris
     Suse

lib/ansible/module_utils/facts/system/distribution.py

@@ -524,7 +524,7 @@ class Distribution(object):
                      'Solaris': ['Solaris', 'Nexenta', 'OmniOS', 'OpenIndiana', 'SmartOS'],
                      'Slackware': ['Slackware'],
                      'Altlinux': ['Altlinux'],
-                     'SGML': ['SGML'],
+                     'SMGL': ['SMGL'],
                      'Gentoo': ['Gentoo', 'Funtoo'],
                      'Alpine': ['Alpine'],
                      'AIX': ['AIX'],