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/soc/intel/skylake/smihandler.c

@@ -509,7 +509,7 @@ void southbridge_smi_handler(void)
 				southbridge_smi[i]();
 			} else {
 				printk(BIOS_DEBUG,
-				    "SMI_STS[%d] occured, but no handler available.\n",
+				    "SMI_STS[%d] occurred, but no handler available.\n",
 				    i);
 			}
 		}