Move key.key and key.pem into the security/ subdirectory. These are
used by security, vendor, and capsule tests but security is the most
natural home for key material. Update all references.
Signed-off-by: Simon Glass <simon.glass@canonical.com>
Move about 20 test files for signing, encryption, hash, pre-load,
x509, and Xilinx bootgen entries into a security/ subdirectory. Drop
the numeric prefixes and update all references.
Signed-off-by: Simon Glass <simon.glass@canonical.com>
