ofpathname: map mpath* devices to the appropriate dm-* generic dm device.
ofpathname: map mpath* devices to the appropriate dm-* generic dm device.

Signed-off-by: Mathieu Trudel-Lapierre <bab670cc3de8a930dbcc4c98df4e7a8fdd9221c3@canonical.com>

shenki/powerpc-utils,shenki/powerpc-utils,shenki/powerpc-utils