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: Ie48f2ae777ba41e0b320ad3de5979fa46c5f9402
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
diff --git a/src/systemcommands.cpp b/src/systemcommands.cpp
index aaca4e5..3a81c49 100644
--- a/src/systemcommands.cpp
+++ b/src/systemcommands.cpp
@@ -47,7 +47,7 @@
     if (token == NULL)
     {
         phosphor::logging::log<phosphor::logging::level::ERR>(
-            "Fii system cmd : Error geting PCIe Info came back null");
+            "Fii system cmd : Error getting PCIe Info came back null");
         ipmi::responseUnspecifiedError();
     }
     token = std::strtok(NULL, " ");