Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 5e29e80..d4ddeba 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -732,7 +732,7 @@
 			       size_t nbytes, int min, int rsvd);
 
 /*
- * This utility inline function is responsible for transfering entropy
+ * This utility inline function is responsible for transferring entropy
  * from the primary pool to the secondary extraction pool. We make
  * sure we pull enough for a 'catastrophic reseed'.
  */