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: Iae81201889d1bb4ca324243b863948cb60420ae7
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
diff --git a/vpd-parser/parser_factory.hpp b/vpd-parser/parser_factory.hpp
index ca9f41e..f6f54c3 100644
--- a/vpd-parser/parser_factory.hpp
+++ b/vpd-parser/parser_factory.hpp
@@ -11,7 +11,7 @@
 namespace factory
 {
 /** @class ParserFactory
- *  @brief Factory calss to instantiate concrete parser class.
+ *  @brief Factory class to instantiate concrete parser class.
  *
  *  This class should be used to instantiate an instance of parser class based
  *  on the typeof vpd file.