Add a SECURITY.md file with hints for security researchers and other
parties who might report potential security vulnerabilities.
(Bitbake rev: baeaa73df2e2f2edc98f8779d57f3841d382d8fc)
Signed-off-by: Marta Rybczynska <marta.rybczynska@syslinbit.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
