arm: mvebu: turris_{omnia,mox}: Enable CONFIG_NETCONSOLE

This allows to use U-Boot console on Turris devices via network.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/configs/turris_omnia_defconfig b/configs/turris_omnia_defconfig
index 62c9be2..da94ca7 100644
--- a/configs/turris_omnia_defconfig
+++ b/configs/turris_omnia_defconfig
@@ -68,6 +68,7 @@
 CONFIG_ETHPRIME="ethernet@34000"
 CONFIG_ARP_TIMEOUT=200
 CONFIG_NET_RETRY_COUNT=50
+CONFIG_NETCONSOLE=y
 CONFIG_SPL_OF_TRANSLATE=y
 CONFIG_AHCI_PCI=y
 CONFIG_AHCI_MVEBU=y