Add the MEMORY_PORT Target Instance to Axone Simics XML

 - This is part of a series of commits that will build up
   the full Simics Axone XML. This commit is adding all of
   the MEMORY_PORT target type instances

Change-Id: I0ea68b47317c8979f2a27c815048e3556a3b1c5b
RTC: 197037
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/64250
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>