Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/kernel/trace/trace_entries.h b/kernel/trace/trace_entries.h
index 1516cb3..e32744c 100644
--- a/kernel/trace/trace_entries.h
+++ b/kernel/trace/trace_entries.h
@@ -27,7 +27,7 @@
  *	  in the structure.
  *
  *   * for structures within structures, the format of the internal
- *	structure is layed out. This allows the internal structure
+ *	structure is laid out. This allows the internal structure
  *	to be deciphered for the format file. Although these macros
  *	may become out of sync with the internal structure, they
  *	will create a compile error if it happens. Since the