board: lsxl: convert to DM_ETH

Just enabling the Kconfig option for DM_ETH and DM_MDIO is enough.
Additionally, we can remove the old hardcoded config.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/configs/lschlv2_defconfig b/configs/lschlv2_defconfig
index 2146a33..4e356fb 100644
--- a/configs/lschlv2_defconfig
+++ b/configs/lschlv2_defconfig
@@ -61,6 +61,8 @@
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_SPEED=25000000
 CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_DM_ETH=y
+CONFIG_DM_MDIO=y
 CONFIG_MVGBE=y
 CONFIG_MII=y
 CONFIG_DM_REGULATOR=y
diff --git a/configs/lsxhl_defconfig b/configs/lsxhl_defconfig
index d895312..6de0322 100644
--- a/configs/lsxhl_defconfig
+++ b/configs/lsxhl_defconfig
@@ -62,6 +62,8 @@
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_SPEED=25000000
 CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_DM_ETH=y
+CONFIG_DM_MDIO=y
 CONFIG_MVGBE=y
 CONFIG_MII=y
 CONFIG_DM_REGULATOR=y
diff --git a/include/configs/lsxl.h b/include/configs/lsxl.h
index 4d5908d..c82eb8b 100644
--- a/include/configs/lsxl.h
+++ b/include/configs/lsxl.h
@@ -59,12 +59,4 @@
 		"setenv autoload_old\0"					\
 	"nc=setenv stdin nc; setenv stdout nc; setenv stderr nc\0"	\
 
-/*
- * Ethernet Driver configuration
- */
-#ifdef CONFIG_CMD_NET
-#define CONFIG_MVGBE_PORTS		{0, 1} /* enable port 1 only */
-#define CONFIG_PHY_BASE_ADR		7
-#endif /* CONFIG_CMD_NET */
-
 #endif /* _CONFIG_LSXL_H */