bnxt_en: set missing reload flag in devlink features

Add missing devlink_set_features() API for callbacks reload_down
and reload_up to function.

Fixes: 228ea8c1 ("bnxt_en: implement devlink dev reload driver_reinit")
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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

@@ -1306,6 +1306,7 @@ int bnxt_dl_register(struct bnxt *bp)
 	if (rc)
 		goto err_dl_port_unreg;
 
+	devlink_set_features(dl, DEVLINK_F_RELOAD);
 out:
 	devlink_register(dl);
 	return 0;