Removed "start usb" from u-boot command line as it is not needed and
speeds up tftp booting.
Change-Id: I416f7eb0467888d1b69ef3dad09df0639fb63f10
echo "ipaddr=192.168.12.62"
echo "usbnet_devaddr=e8:03:9a:24:f9:10"
echo "usbethaddr=e8:03:9a:24:f9:11"
-echo "netbootcmd=echo starting from TFTP; usb start; mw.b 0x88000000 0 16384 $(fill_cmd "tftp" "$NETBOOT_PREFIX") ; dcache off ; icache off ; go 0x80200000"
+echo "netbootcmd=echo starting from TFTP; mw.b 0x88000000 0 16384 $(fill_cmd "tftp" "$NETBOOT_PREFIX") ; dcache off ; icache off ; go 0x80200000"
exit 0