build_system: add scripts of sign tool [1/1]

PD#SWPL-98728

Problem:
add sign tool.

Solution:
add sign tool.

Verify:
A113L_AD403

Signed-off-by: yang.li <yang.li@amlogic.com>
Change-Id: I6eba29256a2d93034f61538cffd2163f7ca03f28
1 file changed
tree: 4df05c8520f51c5f75c6bab91fdc8a6184a4ef93
  1. cmake/
  2. key/
  3. .gitignore
  4. build_combination.in
  5. Makefile
  6. symtable.mk
  7. xip.mk