Parse MEM_PORT target type out of Machine Readable Workbook (MRW)
Parse MEM_PORT target type out of Machine Readable Workbook (MRW)

   - MEM_PORT is connected to the OCMB_CHIP target type via
     DDR4 BUS connections. Use those to process the MEM_PORT
     target type.

Change-Id: Id3d743c54b2e1ed06924ceaee1c1017b18d1cc15
RTC: 211467
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/80848
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: Jenkins OP Build CI <e610bd72261d3c0a48f1e8ae36832ab00774d426@us.ibm.com>
Tested-by: Jenkins OP HW <0eb0fff262f74a65a832afbcc7b153e391c9a3fd@us.ibm.com>
Tested-by: FSP CI Jenkins <aa9e4d9ac7cd25905e9c0dd36d4150516e73dd86@us.ibm.com>
Reviewed-by: Christian R Geddes <f397583a9caa8163a06ad1128784fb67413f2fe6@us.ibm.com>
Reviewed-by: Ilya Smirnov <2c7a6ec38cfb553b896499595cca9c656159f2a4@us.ibm.com>
Reviewed-by: Daniel M Crowell <912029ca9254ac7b5854e56910561d682e1fa2d0@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/81198
Reviewed-by: William G Hoffa <7dd6aa5e78423995d9d7c7ecada5b77ee07f88cc@us.ibm.com>
Reviewed-by: Nicholas E Bofferding <fb8db48116bc8a69e29dd8cdb037246f232f4af5@us.ibm.com>

open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot