sfc: don't unregister flow_indr if it was never registered

In efx_init_tc(), move the setting of efx->tc->up after the
flow_indr_dev_register() call, so that if it fails, efx_fini_tc()
won't call flow_indr_dev_unregister().

Fixes: 5b2e12d51bd8 ("sfc: bind indirect blocks for TC offload on EF100")
Suggested-by: Pieter Jansen van Vuuren <[e-mail]>
Reviewed-by: Martin Habets <[e-mail]>
Signed-off-by: Edward Cree <[e-mail]>
Link: https://lore.kernel.org/r/a812[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/ethernet/sfc/tc.c

···
 	rc = efx_tc_configure_fallback_acts_reps(efx);
 	if (rc)
 		return rc;
-	efx->tc->up = true;
 	rc = flow_indr_dev_register(efx_tc_indr_setup_cb, efx);
 	if (rc)
 		return rc;
+	efx->tc->up = true;
 	return 0;
 }