add s4 ra188 bl40 signed binary.

Change-Id: Iae00c3f2ce916ac43c1fe4442cfb421329075fd8
Signed-off-by: Zhongfu Luo <zhongfu.luo@amlogic.com>
1 file changed
tree: d8943bafbfb99de6ce24e412083efb9991f6d2e9
  1. s4/
  2. sc2/
  3. t7/