net: eepro100: Add Kconfig entries

Add Kconfig entries for the eepro100 driver and convert various boards.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index bb23f73..ed07a78 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -193,6 +193,12 @@
 	  used on devices with SPI support you can reprogram the EEPROM from
 	  U-Boot.
 
+config EEPRO100
+	bool "Intel PRO/100 82557/82559/82559ER Fast Ethernet support"
+	help
+	  This driver supports Intel(R) PRO/100 82557/82559/82559ER fast
+	  ethernet family of adapters.
+
 config ETH_SANDBOX
 	depends on DM_ETH && SANDBOX
 	default y