Update AMD SEV firmware to version 0.17 build 30 for AMD family 17h
processors with models in the range 00h to 0fh.

Add SEV firmware version 0.24 build 4 for AMD family 17h processors in
the range 30h to 3fh.
Signed-off-by: John Allen <john.allen@amd.com>
[Added updated WHENCE information]
Signed-off-by: Josh Boyer <jwboyer@kernel.org>