mips: octeon: nic23: Enable ethernet support

This patch enables the Kconfig symbols needed for full ethernet support
on the NIC23. Additionally board specific setup is done, mostly GPIOs
related to SFP / GPIO configuration. With this, ethernet can be used on
this board. Here an example of a tftp load:

=> tftp ffffffff81000000 big
Using ethernet-mac-nexus@11800e2000000 device
TFTP from server 192.168.1.5; our IP address is 192.168.1.247
Filename 'big'.
Load address: 0xffffffff81000000
Loading: ##################################################  10 MiB
         9.7 MiB/s
done
Bytes transferred = 10485760 (a00000 hex)

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/configs/octeon_nic23_defconfig b/configs/octeon_nic23_defconfig
index 1a1718a..3ab5838 100644
--- a/configs/octeon_nic23_defconfig
+++ b/configs/octeon_nic23_defconfig
@@ -14,13 +14,16 @@
 CONFIG_TARGET_OCTEON_NIC23=y
 # CONFIG_MIPS_CACHE_SETUP is not set
 # CONFIG_MIPS_CACHE_DISABLE is not set
+CONFIG_MIPS_RELOCATION_TABLE_SIZE=0xc000
 CONFIG_DEBUG_UART=y
 CONFIG_AHCI=y
 CONFIG_OF_BOARD_FIXUP=y
 CONFIG_SYS_CONSOLE_ENV_OVERWRITE=y
 # CONFIG_SYS_DEVICE_NULLDEV is not set
 CONFIG_ARCH_MISC_INIT=y
+CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_BOARD_LATE_INIT=y
+CONFIG_LAST_STAGE_INIT=y
 CONFIG_HUSH_PARSER=y
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_GPIO=y
@@ -37,6 +40,7 @@
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_EFI_PARTITION=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_TFTP_TSIZE=y
 CONFIG_SATA=y
 CONFIG_AHCI_MVEBU=y
 CONFIG_CLK=y
@@ -50,7 +54,11 @@
 CONFIG_SPI_FLASH_ATMEL=y
 CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_SPI_FLASH_STMICRO=y
-# CONFIG_NETDEVICES is not set
+CONFIG_PHYLIB=y
+CONFIG_PHYLIB_10G=y
+CONFIG_DM_MDIO=y
+CONFIG_DM_ETH_PHY=y
+CONFIG_NET_OCTEON=y
 CONFIG_PCI=y
 CONFIG_DM_REGULATOR=y
 CONFIG_DM_REGULATOR_FIXED=y