staging: vt6655: Replace MACvSetCurrBCNTxDescAddr with VNSvOutPortD

Replace macro MACvSetCurrBCNTxDescAddr with VNSvOutPortD and as it
was only used twice, it can now be removed.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/1db079979f7e0e3535463d9f31204aa708c6f680.1653203927.git.philipp.g.hortmann@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>