Added initial copy of generic_memory_si_attributes.xml

Change-Id: Iee59ccbc38b16a277e1ec369d9690724b1fc3165
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/65405
Reviewed-by: ANDRE A. MARIN <aamarin@us.ibm.com>
Reviewed-by: BRIANA E. FOXWORTH <befoxwor@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: STEPHEN GLANCY <sglancy@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/71930
Tested-by: Jenkins OP Build CI <op-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>