updated ethernet configs

recipes-kernel/linux/config/elphel393.cfg

@@ -150,7 +150,7 @@ CONFIG_SND=y
 CONFIG_SND_USB=y
 CONFIG_SND_USB_AUDIO=y
 
-# old Xilinx's driver?
+# old Xilinx's driver
 #CONFIG_SERIAL_UARTLITE=y
 #CONFIG_SERIAL_UARTLITE_CONSOLE=y
 
@@ -158,4 +158,14 @@ CONFIG_SND_USB_AUDIO=y
 CONFIG_XILINX_DEVCFG=y
 
 #CONFIG_SERIAL_XILINX_NR_UARTS=1
-#CONFIG_DEBUG_LL=1
+
+# old ethernet driver (drivers/net/ethernet/xilinx/xilinx_emacps.c):
+CONFIG_XILINX_PS_EMAC=n
+CONFIG_XILINX_EMACLITE=n
+CONFIG_XILINX_AXI_EMAC=n
+# new ethernet driver (drivers/net/ethernet/cadence/macb.c) needs:
+#  CONFIG_ETHERNET
+#  CONFIG_NET_CADENCE
+#  CONFIG_MACB
+#  CONFIG_NETDEVICES
+#  CONFIG_HAS_DMA