Convert CONFIG_KSNET_NETCP_V1_0 et al to Kconfig

This converts the following to Kconfig:
   CONFIG_KSNET_NETCP_V1_0
   CONFIG_KSNET_NETCP_V1_5

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/net/ti/Kconfig b/drivers/net/ti/Kconfig
index 59c96d8..e13dbc9 100644
--- a/drivers/net/ti/Kconfig
+++ b/drivers/net/ti/Kconfig
@@ -25,6 +25,19 @@
 	help
 	   This driver supports the TI Keystone 2 Ethernet subsystem
 
+choice
+	prompt "TI Keystone 2 Ethernet NETCP IP revision"
+	depends on DRIVER_TI_KEYSTONE_NET
+	default KSNET_NETCP_V1_5
+
+config KSNET_NETCP_V1_0
+	bool "NETCP version 1.0"
+
+config KSNET_NETCP_V1_5
+	bool "NETCP version 1.5"
+
+endchoice
+
 config TI_AM65_CPSW_NUSS
 	bool "TI K3 AM65x MCU CPSW Nuss Ethernet controller driver"
 	depends on ARCH_K3