myri10ge: Stop scaring people when DCA is built but absent

Stop scaring people with what looks like a fatal message when DCA support
is compiled into their kernel, but the DCA device is not present.

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
1 file changed