Fix spelling mistakes using codespell

This commit corrects various spelling mistakes throughout the
repository. The corrections were made automatically using `codespell`[1]
tool.

[1]: https://github.com/codespell-project/codespell

Change-Id: I0d3acfeb002b6e3e8356b4f1c2a960c53ecadf2e
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
3 files changed