Moved Davinci Ethernet driver to drivers/net

This driver has been renamed davinci_emac.c

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/cpu/arm926ejs/davinci/Makefile b/cpu/arm926ejs/davinci/Makefile
index 6eaa89c..e45ad25 100644
--- a/cpu/arm926ejs/davinci/Makefile
+++ b/cpu/arm926ejs/davinci/Makefile
@@ -30,7 +30,7 @@
 COBJS-y				+= cpu.o timer.o psc.o
 COBJS-$(CONFIG_SOC_DM355)	+= dm355.o
 COBJS-$(CONFIG_SOC_DM644X)	+= dm644x.o
-COBJS-$(CONFIG_DRIVER_TI_EMAC)	+= ether.o lxt972.o dp83848.o
+COBJS-$(CONFIG_DRIVER_TI_EMAC)	+= lxt972.o dp83848.o
 
 SOBJS	= reset.o