tg3: Fix TSO test against wrong flags var

Julia Lawall discovered that the TG3_FLG2_TSO_CAPABLE flag was being
compared against the wrong flags device member.  This patch implements
the fix.
Signed-off-by: NJulia Lawall <julia@diku.dk>
Signed-off-by: NMatt Carlson <mcarlson@broadcom.com>
Reviewed-by: NMichael Chan <mchan@broadcom.com>
Reviewed-by: NBenjamin Li <benli@broadcom.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/tg3.c

@@ -7192,7 +7192,7 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 	if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
 	     tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
-		if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
+		if ((tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
 		    (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
 		     tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
 			/* nothing */