qcacmn: write DEST_MAX_LENGTH for CE rings

Change that allows configuration of max buffer
size for SRNG rings in the receive direction

Change-Id: Ib857f1fdf43c849078f9470ec029fe627379fcb4
CRs-Fixed: 1089874

hal/wifi3.0/hal_internal.h

@@ -236,7 +236,10 @@ struct hal_srng {
 			uint32_t *tp_addr;
 
 			/* Current SW loop cnt */
-			int loop_cnt;
+			uint32_t loop_cnt;
+
+			/* max transfer size */
+			uint16_t max_buffer_length;
 		} dst_ring;
 
 		struct {