arm64: imx8mp: Enable TCP, IPv6, wget on DH i.MX8MP DHCOM

Enable support for TCP protocol, wget, and IPv6 on this platform.
The former two allow users download payload into the U-Boot from
a web server, which may be more convenient or easier to set up
than TFTP server. The later is enabled to future proof the IP
stack on this platform.

Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
diff --git a/configs/imx8mp_dhcom_pdk3_defconfig b/configs/imx8mp_dhcom_pdk3_defconfig
index c1f8fbd..6799f0c 100644
--- a/configs/imx8mp_dhcom_pdk3_defconfig
+++ b/configs/imx8mp_dhcom_pdk3_defconfig
@@ -111,6 +111,9 @@
 CONFIG_CMD_USB_SDP=y
 CONFIG_CMD_USB_MASS_STORAGE=y
 CONFIG_CMD_DHCP=y
+CONFIG_CMD_DHCP6=y
+CONFIG_CMD_TFTPPUT=y
+CONFIG_CMD_WGET=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_PXE=y
@@ -153,6 +156,8 @@
 CONFIG_NETCONSOLE=y
 CONFIG_IP_DEFRAG=y
 CONFIG_TFTP_TSIZE=y
+CONFIG_PROT_TCP_SACK=y
+CONFIG_IPV6=y
 CONFIG_SPL_DM=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y