FIP: S7D: support RevB device scs signing [1/1]

PD#SWPL-176126

Problem:
S7D: support device scs signing

Solution:
update device scs signing tool

Verify:
S7D BM209

Change-Id: Ia1e95da25eb8bc4b659817c80218a5ac5b59cda2
Signed-off-by: Zhongfu Luo <zhongfu.luo@amlogic.com>
4 files changed