bnxt_en: fix spelling mistake: "swtichdev" -> "switchdev"

Trivial fix to spelling mistake in a netdev_info message
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c

@@ -428,7 +428,7 @@ static int bnxt_dl_eswitch_mode_set(struct devlink *devlink, u16 mode)
 	case DEVLINK_ESWITCH_MODE_SWITCHDEV:
 		if (pci_num_vf(bp->pdev) == 0) {
 			netdev_info(bp->dev,
-				    "Enable VFs before setting swtichdev mode");
+				    "Enable VFs before setting switchdev mode");
 			rc = -EPERM;
 			goto done;
 		}