generate-manifest-2.7.py: Add importlib

importlib isn't currently included in any of the python packages, so
create a new one for recipes that require it.

Cc: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
chipsec: Add recipe for CHIPSEC v1.1.0

CHIPSEC is a platform security assessment framework for analyzing the
security of PC platforms. It includes a number of tests and also
provides forensic capabilities for firmware.

Of particular use are the UEFI secure boot variable tests and BIOS flash
write-protect tests.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>
chipsec: Enable luv test automatic execution

Integrate chipsec into the test manager infrastructure and add a parser
to capture test results and write them to stdout in the luv-test-manager
compatible format.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>
luv-test: Add auto-generated test files to FILES_${PN}

Instead of managing our own luv package just add the auto-generated
files to FILES_${PN} to avoid QA warnings.

In the future we could do our own luv package, but let's keep thing
simple for now.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>
core-image-efi-initramfs: Add chipsec test

Include the chipsec test suite in this image.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>