e1000: remember node handle

While netbooting with yaboot, code was failing at
dma-map-out.

Remember my-handle and store for further reference,
which is needed for dma-map-out during close. yaboot for
some reason does not set the current-node while calling
close.

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
1 file changed