Enable CONFIG_TFTP_TSIZE to reduce # count on big network downloads

This is a useful option and works well with tftp-hpa. We should use it.

BUG=chromium-os:14082
TEST=network boot U-Boot and observe only a single line of #

Change-Id: Idb04eb38208213a348e4355c6f4302ed1bf1da5f

Review URL: http://codereview.chromium.org/6852018
1 file changed