tree 5b7e333935ce12fe824ddad3eac581c71b19233e
parent b730e2431a582aad4d2bd20668d1a413d43841b6
author David Brown <david.brown@linaro.org> 1510329223 -0700
committer David Brown <davidb@davidb.org> 1515516090 -0700

imgtool: Move keys to submodule

Move this code into a submodule to prepare to cleanup and enhance the
key management code.

Signed-off-by: David Brown <david.brown@linaro.org>