6398161 fm_payload_set used incorrectly in x64 ereport construction

[gavin.mal...@sun.com]

Author: gavinm
Repository: /hg/onnv/onnv-gate
Revision: 4153866a7d0c715884940293f96196128d1787b7
Log message:
6398161 fm_payload_set used incorrectly in x64 ereport construction

Files:
        update: usr/src/uts/i86pc/cpu/amd_opteron/ao_mca.c