6416708 asy driver does not see serial port 2 on some machines

[nore...@opensolaris.org]

Author: ml40262
Repository: /hg/onnv/onnv-gate
Revision: 68a3749e0527a6647bfdef330cffb1af5db25642
Log message:
6416708 asy driver does not see serial port 2 on some machines

Files:
        update: usr/src/uts/i86pc/io/isa.c