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: I49a1a13821bbc966768d4db048886e78e8e77d9f
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
diff --git a/certificate.cpp b/certificate.cpp
index e3fe609..047482d 100644
--- a/certificate.cpp
+++ b/certificate.cpp
@@ -116,7 +116,7 @@
                                   const std::string& certFilePath)
 {
     // Copy the certificate to the installation path
-    // During bootup will be parsing existing file so no need to
+    // During boot up will be parsing existing file so no need to
     // copy it.
     if (certSrcFilePath != certFilePath)
     {
@@ -497,7 +497,7 @@
     static const int maxKeySize = 4096;
     char subBuffer[maxKeySize] = {0};
     BIOMemPtr subBio(BIO_new(BIO_s_mem()), BIO_free);
-    // This pointer cannot be freed independantly.
+    // This pointer cannot be freed independently.
     X509_NAME* sub = X509_get_subject_name(&cert);
     X509_NAME_print_ex(subBio.get(), sub, 0, XN_FLAG_SEP_COMMA_PLUS);
     BIO_read(subBio.get(), subBuffer, maxKeySize);
@@ -505,7 +505,7 @@
 
     char issuerBuffer[maxKeySize] = {0};
     BIOMemPtr issuerBio(BIO_new(BIO_s_mem()), BIO_free);
-    // This pointer cannot be freed independantly.
+    // This pointer cannot be freed independently.
     X509_NAME* issuerName = X509_get_issuer_name(&cert);
     X509_NAME_print_ex(issuerBio.get(), issuerName, 0, XN_FLAG_SEP_COMMA_PLUS);
     BIO_read(issuerBio.get(), issuerBuffer, maxKeySize);
diff --git a/x509_utils.cpp b/x509_utils.cpp
index bc3ccbb..39e68a6 100644
--- a/x509_utils.cpp
+++ b/x509_utils.cpp
@@ -199,7 +199,7 @@
             lg2::error("Expired certificate ");
             elog<InvalidCertificate>(Reason("Expired Certificate"));
         }
-        // Loging general error here.
+        // Logging general error here.
         lg2::error(
             "Certificate validation failed, ERRCODE:{ERRCODE}, ERROR_STR:{ERROR_STR}",
             "ERRCODE", errCode, "ERROR_STR",