Add doxygen fapi2 tooling, doc clean up
Add doxygen fapi2 tooling, doc clean up

Change-Id: Ieb787904e7d359f966298cf834195bed5ce86207
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/15730
Reviewed-by: Brian Silver <af0eed78d989d9597decc8b92fa6db01ef8b58e0@us.ibm.com>
Tested-by: Brian Silver <af0eed78d989d9597decc8b92fa6db01ef8b58e0@us.ibm.com>

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