Create FAPI mapping function for DDIM SPD data

- Created files p9_get_ddr_efd.mk/H/C which contain the FAPI
  mapping function

Change-Id: I0f21380b7f6234ab3b88ffc0490c36e5dcd204e0
RTC:203718
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/71910
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Louis Stermole <stermole@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Reviewed-by: Matt K. Light <mklight@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/72072
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>

Author: velozr