Revert "Revert "cmd: pxe_utils: Check fdtcontroladdr in label_boot""

This reverts commit ed6251187afabf811a5fd49a44ebd61c53c7b378.

Superseded by "cmd: pxe_utils: Limit fdtcontroladdr usage to non-fitImage"
which is less heavy-handed approach and retains part of the original
behavior for non-fitImage.

Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c
index 519ea14..d69a9ff 100644
--- a/drivers/net/tsec.c
+++ b/drivers/net/tsec.c
@@ -156,7 +156,7 @@
 	return 0;
 }
 
-static int tsec_set_promisc(struct udevice *dev, bool enable)
+static int __maybe_unused tsec_set_promisc(struct udevice *dev, bool enable)
 {
 	struct tsec_private *priv = dev_get_priv(dev);
 	struct tsec __iomem *regs = priv->regs;