qcacld-3.0: update default addba response rx aggr size to 256

update default addba response rx aggregation size to 256.

Change-Id: Ie79bd9ce6d5e5a95e706c9bda3124bb3fc913ce5
CRs-Fixed: 3050726

components/mlme/dispatcher/inc/cfg_qos.h

@@ -171,7 +171,7 @@
  * in no of MPDUs
  * @Min: 1
  * @Max: 256
- * @Default: 64
+ * @Default: 256
  *
  * gRxAggregationSize gives an option to configure Rx aggregation size
  * in no of MPDUs. This can be useful in debugging throughput issues
@@ -188,7 +188,7 @@
 			"gRxAggregationSize", \
 			1, \
 			256, \
-			64, \
+			256, \
 			CFG_VALUE_OR_DEFAULT, \
 			"Rx Aggregation size value")