r277675:
Add MK_ISCSI knob for building the iscsi initiator, iscsi daemon, kernel
modules, etc
Sponsored by: EMC / Isilon Storage Division
r277726:
Build sbin/iscontrol again if MK_ISCSI != no
Pointyhat to: me
r278070:
Remove duplicate MK_ISCSI block and sort the conditional blocks so this error
won't crop up again in the future
Reported by: gjb