net: ll_temac: Add LL TEMAC driver to u-boot

Xilinx LocalLink Tri-Mode Ether MAC driver can be
used by Xilinx Microblaze or Xilinx ppc405/440 in
SDMA and FIFO mode. DCR or XPS bus can be used.

The driver uses and requires MII and PHYLIB.

CP: 4 warnings: 'Use of volatile is usually wrong'
I won't fix this, because it depends on the network
driver subsystem.

Reported-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Stephan Linz <linz@li-pro.net>
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index f4f7ea3..430f90c 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -77,6 +77,8 @@
 COBJS-$(CONFIG_VSC7385_ENET) += vsc7385.o
 COBJS-$(CONFIG_XILINX_AXIEMAC) += xilinx_axi_emac.o
 COBJS-$(CONFIG_XILINX_EMACLITE) += xilinx_emaclite.o
+COBJS-$(CONFIG_XILINX_LL_TEMAC) += xilinx_ll_temac.o xilinx_ll_temac_mdio.o \
+		xilinx_ll_temac_fifo.o xilinx_ll_temac_sdma.o
 
 COBJS	:= $(sort $(COBJS-y))
 SRCS	:= $(COBJS:.o=.c)