net: ti: am65-cpsw-nuss: Use approved property to get efuse address

The approved DT property for MAC efuse (ROM) address is
"ti,syscon-efuse".

Use that and drop custom property "mac_efuse".

Signed-off-by: Roger Quadros <rogerq@kernel.org>
Acked-by: Nishanth Menon <nm@ti.com>
diff --git a/drivers/net/ti/Kconfig b/drivers/net/ti/Kconfig
index 08c81f7..02660e4 100644
--- a/drivers/net/ti/Kconfig
+++ b/drivers/net/ti/Kconfig
@@ -44,6 +44,7 @@
 	imply DM_MDIO
 	imply MISC_INIT_R
 	imply MISC
+	imply SYSCON
 	select PHYLIB
 	help
 	  This driver supports TI K3 MCU CPSW Nuss Ethernet controller