tg3: Add more partno entries for fallback path

This patch adds 57765 asic partno entries for the path executed if VPD
is not present in NVRAM.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>