intel/baytrail: Spelling fixes

Change-Id: Ideb58634a029d55746421ad1ea4b80811bca403c
Signed-off-by: Martin Roth <martin.roth@se-eng.com>
Reviewed-on: http://review.coreboot.org/7705
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

src/soc/intel/baytrail/smihandler.c

@@ -392,7 +392,7 @@ void southbridge_smi_handler(void)
 			southbridge_smi[i]();
 		} else {
 			printk(BIOS_DEBUG,
-			       "SMI_STS[%d] occured, but no "
+			       "SMI_STS[%d] occurred, but no "
 			       "handler available.\n", i);
 		}
 	}