Enable the EOS_SSS_SKIP_HOSTNAME_MATCH variable for docker setups

eos.sysconfig

@@ -27,6 +27,9 @@ DAEMON_COREFILE_LIMIT=unlimited
 # Disable the KRB5 replay cache
 export KRB5RCACHETYPE=none
 
+# Skip hostname match for SSS authentication in docker setup
+export EOS_SKIP_SSS_HOSTNAME_MATCH=1
+
 # What roles should the xroot daemon run for. For each role you can overwrite
 # the default options using a dedicate sysconfig file
 # e.g. /etc/sysconfig/xrd.<role>. The role based mechanism allows for