Pull up the following revisions, requested by msaitoh in ticket #1413:

sys/dev/mii/rgephy.c 1.43, 1.47, 1.49, 1.54-1.57
sys/dev/mii/rgephyreg.h 1.10, 1.12
(both via patch)

- It seems EEE support is not only on 8211F but on 8211D and newer.
- Indicate master mode if the negotiated result say so.
- Use symbolic names for chip revision.
- Cosmetic changes.
- KNF.

(martin)