[PATCH] skge: bad checksums on big-endian platforms

Skge driver always causes  bad checksums on big-endian.
The checksum in the receive control block was being swapped
when it doesn't need to be.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>