trivial: fix typo "to to" in multiple files

Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c
index a8d0aee..8aaad65 100644
--- a/drivers/lguest/page_tables.c
+++ b/drivers/lguest/page_tables.c
@@ -894,7 +894,7 @@
  * tells us they've changed.  When the Guest tries to use the new entry it will
  * fault and demand_page() will fix it up.
  *
- * So with that in mind here's our code to to update a (top-level) PGD entry:
+ * So with that in mind here's our code to update a (top-level) PGD entry:
  */
 void guest_set_pgd(struct lguest *lg, unsigned long gpgdir, u32 idx)
 {