eth: improve eth tftp [1/1]

PD#SWPL-194240

Problem:
tftp will timeout

Solution:
improve eth tftp

Verify:
t6d

Change-Id: Ie78f03285b0ffad2460f14905bf20e0c22d56e13
Signed-off-by: Zhuo Wang <zhuo.wang@amlogic.com>
1 file changed