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: I014e7670ca4ba57f7e1b80e96c001474cf7a6676
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
diff --git a/utils.hpp b/utils.hpp
index 313db32..410b42a 100644
--- a/utils.hpp
+++ b/utils.hpp
@@ -1,7 +1,7 @@
 #pragma once
 
 // With OpenSSL 1.1.0, some functions were deprecated. Need to abstract them
-// to make the code backward compatible with older OpenSSL veresions.
+// to make the code backward compatible with older OpenSSL versions.
 // Reference: https://wiki.openssl.org/index.php/OpenSSL_1.1.0_Changes
 #if OPENSSL_VERSION_NUMBER < 0x10100000L