John Baldwin d456f534c9 Enable MSI in the MSI capability registers any time that the first message
in an MSI group is enabled, not just if the address/data pair are not
initialized.

Reported by:	rnoland
MFC after:	1 week
2009-06-22 20:08:06 +00:00
..
2009-06-01 20:27:14 +00:00