MPIPL: For PHYP based system replace spr/gpr numbers with names
MPIPL: For PHYP based system replace spr/gpr numbers with names

- Keep the HDAT version number only to identify the change in
  HDAT structure
- Based on the HOST PAYLOAD type replace spr/gpr numbers with names.

Change-Id: I2e79b21d5371447e79f096a753d55358ce527033
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/91300
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: Jenkins OP Build CI <e610bd72261d3c0a48f1e8ae36832ab00774d426@us.ibm.com>
Reviewed-by: Daniel M Crowell <912029ca9254ac7b5854e56910561d682e1fa2d0@us.ibm.com>

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