qcacmn: utils: Fix misspellings

Address the following issues in the utils folder:
CHECK: 'interupt' may be misspelled - perhaps 'interrupt'?
CHECK: 'ommitted' may be misspelled - perhaps 'omitted'?
CHECK: 'TRESHOLD' may be misspelled - perhaps 'THRESHOLD'?

Change-Id: Ic9c2fdf2566f3bdd8c37906e52ed65d4dc1d1563
CRs-Fixed: 2241587

utils/pktlog/pktlog_internal.c

@@ -162,7 +162,7 @@ char *pktlog_getbuf(struct pktlog_dev_t *pl_dev,
 #endif
 	if (flags & PHFLAGS_INTERRUPT_CONTEXT) {
 		/*
-		 * We are already in interupt context, no need to make it
+		 * We are already in interrupt context, no need to make it
 		 * intsafe. call the function directly.
 		 */
 		pktlog_getbuf_intsafe(&plarg);