Revert "Add non-Virtex5 support for LL TEMAC driver"

This reverts commit 459569145516f7967b916c57445feb02c600668c.

Uses virt_to_bus() and breaks the build.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index dbd26f9..49c372a 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2435,8 +2435,8 @@
 
 config XILINX_LL_TEMAC
 	tristate "Xilinx LL TEMAC (LocalLink Tri-mode Ethernet MAC) driver"
-	depends on PPC || MICROBLAZE
 	select PHYLIB
+	depends on PPC_DCR_NATIVE
 	help
 	  This driver supports the Xilinx 10/100/1000 LocalLink TEMAC
 	  core used in Xilinx Spartan and Virtex FPGAs