6598517 kmdb can't look at device tree if first activated early in boot

[dan.m...@sun.com]

Author: dmick
Repository: /hg/onnv/onnv-gate
Latest revision: 4d17c0ac8a00a2b2bc973e1df8a5c90af27c4010
Total changesets: 1
Log message:
6598517 kmdb can't look at device tree if first activated early in boot

Files:
        update: usr/src/cmd/mdb/common/modules/genunix/devinfo.c
        update: usr/src/cmd/mdb/common/modules/genunix/devinfo.h
        update: usr/src/cmd/mdb/common/modules/genunix/genunix.c