drivers: net: Add ethernet driver for Microchip PIC32.

This driver implements MAC and MII layer of the ethernet controller.
Network data transfer is handled by controller internal DMA engine.
Ethernet controller is configurable through device-tree file.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 218e1fe..bc2f51d 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -125,4 +125,12 @@
 	help
 	  This MAC is present in Xilinx Zynq and ZynqMP SoCs.
 
+config PIC32_ETH
+	bool "Microchip PIC32 Ethernet Support"
+	depends on DM_ETH && MACH_PIC32
+	select PHYLIB
+	help
+	  This driver implements 10/100 Mbps Ethernet and MAC layer for
+	  Microchip PIC32 microcontrollers.
+
 endif # NETDEVICES