3882 Remove xmod & friends (fix sparc)
3902 Race between ipmi_submit_driver_request() and kcs_loop()
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Reviewed by: Joshua M. Clulow <josh@sysmgr.org>
Approved by: Robert Mustacchi <rm@joyent.com>
	[illumos-gate merge]

commit 1e3934778d15dd08e911e1d050dd7a4949348d93
    3902 Race between ipmi_submit_driver_request() and kcs_loop()
commit 37d7160009c30ca1f532d4370e16221dc095668b
    3882 Remove xmod & friends (fix sparc)