Update memory library for 1R 4gbx4 DIMM

  Add SPD to ekb, including Hynix power-on DIMM and 4R VBU DIMM
  Update SPD blobs to match recent changes to VBU SPD

Change-Id: I386c55a0c86a0c6d21fcaa2451830ed44825aa95
Original-Change-Id: I1ea6be55858a3bd8ec206624294a3a2accd81136
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/28349
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Louis Stermole <stermole@us.ibm.com>
Reviewed-by: STEPHEN GLANCY <sglancy@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/37403
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Tested-by: Daniel M. Crowell <dcrowell@us.ibm.com>