Various updates.
Various updates.

Allow any instance of an address as input for
p9_scominfo_createChipUnitScomAddr

PHB register adjustments from Peng Fei with
adjustments for createChipUnitScomAddr

NV link address xlate corrected to match hw

PPE register supported added by use of i_mode 1

Change-Id: I082ebaf0ea74f20523b7c6e89584e2587eb0165d
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/21893
Reviewed-by: Thi N. Tran <25a2bca7ae5a8ea03be09ca8d282480c08c13052@us.ibm.com>
Tested-by: Jenkins Server
Tested-by: Auto Mirror
Reviewed-by: Joseph J. McGill <4a85c6614f9f065f63d8fd57cde15e48af07ea2a@us.ibm.com>
Dev-Ready: Brent Wieman <cab499b31cd4c652b90b4682871101e72d52e19a@us.ibm.com>
Tested-by: Hostboot CI
Reviewed-by: Jennifer A. Stofer <ab93eca12e43608f33daa16a67357cd7b7e867ab@us.ibm.com>

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