Spell check on commit message support for CI

- This commit would add the codespell package while
  building the base container.

- The intention is that, we maintain two dictionaries
  1. That comes directly with codespell
    - We should also download the latest dictionary while
      while building the base container.
  2. An openbmc spellings dictionary
    - We should be able to add words and spellings that are
      openbmc related in this dictionary over time.

- When the commit message have words that the dictionary does not have,
the CI proceeds further without any rejection. The CI only scores a -1 if
it sees a word wrongly spelled from it knowledge from the dictionary.

Tested by:

1. when commit message have mistakes: It breaks & scores a -1
   It also highlights the spelling mistake and the correct spelling
   to be used.

2. when commit message does not have mistakes : it does not break &
   proceeds further for compilation.

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: I87278597876b6e2b0a59e297cde020631491b5fd
4 files changed