kunit_tool: added option for creating KUnit test skeletons

Adds command to kunit.py which allows a user to specify a file to test,
which will then print out the boilerplate needed to create a KUnit test.

Change-Id: I2505462e9f60d5d6975da422b9c0bed367791d5f
Google-Bug-Id: 117125357
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
6 files changed