videofw: signed videofw ta for t3x. [1/1]

PD#SWPL-117685

Problem:
no videofw ta signed with t968d4.

Solution:
add t3x t968d4 videofw ta.

Verify:
t968d4

Signed-off-by: shihong.zheng <shihong.zheng@amlogic.com>
Change-Id: I07ced99dd63d561ca24b064e02aa233d0e403242
1 file changed