K 10
svn:author
V 4
wulf
K 8
svn:date
V 27
2019-11-03T20:40:55.855973Z
K 7
svn:log
V 267
[ig4] Handle controller startup errors

Fail the attach on controller startup errors.  For some reason the
dell xps 13 says there's I2C controller, but the controller appears
to be permanente disabled and will refuse to enable.

Obtained from:	DragonflyBSD (509820b)

END