net: dc2114x: Add Kconfig entries

Add Kconfig entries for the dc2114x driver and convert various boards.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index ec3fb49..15030b8 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -491,6 +491,12 @@
 
 source "drivers/net/ti/Kconfig"
 
+config TULIP
+	bool "DEC Tulip DC2114x Ethernet support"
+	depends on (DM_ETH && DM_PCI) || !DM_ETH
+	help
+	  This driver supports DEC DC2114x Fast ethernet chips.
+
 config XILINX_AXIEMAC
 	depends on DM_ETH && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP)
 	select PHYLIB