This patch introduces the TG3_FLG3_USE_PHYLIB flag and applies it to
some select places.  This work makes later patches a little easier to
read.
Signed-off-by: NMatt Carlson <mcarlson@broadcom.com>
Signed-off-by: NMichael Chan <mchan@broadcom.com>
Signed-off-by: NBenjamin Li <benli@broadcom.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>