3882 Remove xmod & friends
Reviewed by: Dan McDonald <danmcd@nexenta.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Approved by: Richard Lowe <richlowe@richlowe.net>

6562542 CP3060 has no eeprom cmd - first reboot hangs

PSARC 2006/187 Montoya (SUNW,Netra-CP3060)
6372661 need Montoya platform boot support in Solaris ON
6395675 uata driver needs to support the ide in ULI 1575