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: I3a5360efb5b6a71d5eabb557accf939cd6abc864
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
diff --git a/scripts/led-set-all-groups-asserted.sh b/scripts/led-set-all-groups-asserted.sh
index d67f9b0..9f404dc 100755
--- a/scripts/led-set-all-groups-asserted.sh
+++ b/scripts/led-set-all-groups-asserted.sh
@@ -30,7 +30,7 @@
     exit 1;
 fi
 
-# Get the excluded groups, where $@ is all the agruments passed
+# Get the excluded groups, where $@ is all the arguments passed
 index=2;
 excluded_groups=""