Correct some common spelling mistakes

- occured -> occurred
- accomodate -> accommodate
- existant -> existent
- asssertion -> assertion
- manangement -> management
- cotroller -> controller

Change-Id: Ibd6663752466d691fabbdc216ea05f2b58ac12d1
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12850
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/include/console/post_codes.h

@@ -311,7 +311,7 @@
  * If the payload was built out-of-tree, check that it was compiled as
  * a coreboot payload
  * \n
- * Check the console output to see exactly where the failure occured.
+ * Check the console output to see exactly where the failure occurred.
  */
 #define POST_DIE 				0xff