arm: mvebu: x530: Enable IPV6 support

Enable IPV6 support for the x530 board.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/configs/x530_defconfig b/configs/x530_defconfig
index a5b1cc3..815370c 100644
--- a/configs/x530_defconfig
+++ b/configs/x530_defconfig
@@ -65,6 +65,7 @@
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ARP_TIMEOUT=200
 CONFIG_NET_RETRY_COUNT=50
+CONFIG_IPV6=y
 CONFIG_SPL_OF_TRANSLATE=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_MVTWSI=y