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_interface.hpp b/vpd-parser/parser_interface.hpp
index 4ad583f..259ef86 100644
--- a/vpd-parser/parser_interface.hpp
+++ b/vpd-parser/parser_interface.hpp
@@ -19,7 +19,7 @@
  *  @brief Interface class for vpd parsers.
  *
  *  Any concrete parser class, implementing the parser logic needs to
- *  derive from this interface class and ovverride the methods declared
+ *  derive from this interface class and override the methods declared
  *  in this class.
  */
 class ParserInterface
@@ -28,7 +28,7 @@
     /**
      * @brief An api to implement parsing logic for VPD file.
      * Needs to be implemented by all the class deriving from
-     * parser inerface.
+     * parser interface.
      *
      * @return parsed format for vpd data, depending upon the
      * parsing logic.
@@ -39,7 +39,7 @@
      * @brief An api to return interface name which will hold the
      * data on cache.
      * Needs to be implemented by all the class deriving fronm
-     * parser inerface
+     * parser interface
      *
      * @return - Interface name for that vpd type.
      */