net: ks8851: Add Kconfig entries

Convert CONFIG_KS8851_MLL and CONFIG_KS8851_MLL_BASEADDR to Kconfig

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Eugen Hristev <eugen.hristev@microchip.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index f7855c9..0b08de0 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -307,6 +307,20 @@
 	  This driver supports the network interface units in the
 	  ColdFire family.
 
+config KS8851_MLL
+	bool "Microchip KS8851-MLL controller driver"
+	help
+	  The Microchip KS8851 parallel bus external ethernet interface chip.
+
+if KS8851_MLL
+if !DM_ETH
+config KS8851_MLL_BASEADDR
+	hex "Microchip KS8851-MLL Base Address"
+	help
+	  Define this to hold the physical address of the device (I/O space)
+endif #DM_ETH
+endif #KS8851_MLL
+
 config MVGBE
 	bool "Marvell Orion5x/Kirkwood network interface support"
 	depends on ARCH_KIRKWOOD || ARCH_ORION5X