Signed-off-by: Michael Brown <mcb30@ipxe.org>

This function never did much in this driver anyway, and after commit
b5ed30b2 ("[tg3] Fix compilation on newer gcc versions") it became
apparent that its remaining functionality could be easily moved to
tg3_test_dma().

Signed-off-by: Thomas Miletich <thomas.miletich@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

Signed-off-by: Michael Brown <mcb30@ipxe.org>

Replace the old Etherboot tg3 driver with a more up-to-date driver
using the iPXE API.

Signed-off-by: Thomas Miletich <thomas.miletich@gmail.com>
Modified-by: Michael Brown <mcb30@ipxe.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>