Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/kernel/latencytop.c b/kernel/latencytop.c
index ee74b35..376066e 100644
--- a/kernel/latencytop.c
+++ b/kernel/latencytop.c
@@ -153,7 +153,7 @@
 }
 
 /**
- * __account_scheduler_latency - record an occured latency
+ * __account_scheduler_latency - record an occurred latency
  * @tsk - the task struct of the task hitting the latency
  * @usecs - the duration of the latency in microseconds
  * @inter - 1 if the sleep was interruptible, 0 if uninterruptible