PM: Added support for PBI EQ async boundary crossing latches
PM: Added support for PBI EQ async boundary crossing latches

Adds support for eq_inex ring buckets in hardware image.
commit intends to avoid co-req between hardware image and
hcode image build.

Change-Id: I732032d02ae1ffdc6614233020e1ca3286897bba
RTC: 165533
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/38138
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: PPE CI <dc75934ba5befb9221434e67a247b93aec46b36b@us.ibm.com>
Tested-by: Hostboot CI <52521565bd8ea18a2b112942dce4f4220a97c2c8@us.ibm.com>
Reviewed-by: RANGANATHPRASAD G. BRAHMASAMUDRA <95a9682e5bdc1ccf6e82d516bbb3db21526dc713@in.ibm.com>
Reviewed-by: AMIT KUMAR <11ed705225bd7983c3b5bbe9b5d2c39acfdeeba9@us.ibm.com>
Reviewed-by: Claus M. Olsen <2da381e13dc4aeb07a557ddfc89fbb05265c54a4@us.ibm.com>
Reviewed-by: Joseph J. McGill <4a85c6614f9f065f63d8fd57cde15e48af07ea2a@us.ibm.com>
Reviewed-by: Gregory S. Still <4249770c9038596e9483266bcd48707ac69ee60b@us.ibm.com>

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