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: I8870ce249bba3373e85f82903cfa875d6a7c8725
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
5 files changed