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/northbridge/intel/x4x/raminit.c

@@ -38,7 +38,7 @@ static void sdram_read_spds(struct sysinfo *s)
 	int status = 0;
 	FOR_EACH_DIMM(i) {
 		if (s->spd_map[i] == 0) {
-			/* Non-existant SPD address */
+			/* Non-existent SPD address */
 			s->dimms[i].card_type = 0;
 			continue;
 		}