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: I5d504a19c51a5ba843b09f3bcfa3f6472af6cd22
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
diff --git a/pid/pidcontroller.cpp b/pid/pidcontroller.cpp
index b33037f..0a56057 100644
--- a/pid/pidcontroller.cpp
+++ b/pid/pidcontroller.cpp
@@ -45,7 +45,7 @@
             output = ec::pid(info, input, setpt, &name);
 
             // this variable isn't actually used in this context, but we're
-            // setting it here incase somebody uses it later it's the correct
+            // setting it here in case somebody uses it later it's the correct
             // value
             lastInput = input;
         }
@@ -74,7 +74,7 @@
             output = ec::pid(info, input, setpt, &name);
 
             // this variable isn't actually used in this context, but we're
-            // setting it here incase somebody uses it later it's the correct
+            // setting it here in case somebody uses it later it's the correct
             // value
             lastInput = input;
         }