Remove the now unused "liobn" field in ibmveth which also avoids
having insider knowledge of the iommu table in that driver.
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NSantiago Leon <santil@us.ibm.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>