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: I1068afac44652ab3d9bfe58bb6e19d359d84f20e
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
diff --git a/bmc_state_manager.hpp b/bmc_state_manager.hpp
index 8781e3f..d0b37a2 100644
--- a/bmc_state_manager.hpp
+++ b/bmc_state_manager.hpp
@@ -141,7 +141,7 @@
     void updateLastRebootTime();
 
     /**
-     * @brief the lastRebootTime calcuated at startup.
+     * @brief the lastRebootTime calculated at startup.
      **/
     uint64_t rebootTime;
 };