qcacld-3.0: Enable the RX_PERFORMANCE for qca6390 module

Enable the RX_PERFORMANCE for qca6390 module to improve the RX performnace
for auto GVM platform.

Change-Id: Ic801f2621250d9f515be84149a6150a2728390c1
CRs-Fixed: 3002937

configs/qca6390_defconfig

@@ -3,6 +3,7 @@ CONFIG_BUS_AUTO_SUSPEND := y
 CONFIG_DIRECT_BUF_RX_ENABLE := y
 CONFIG_WMI_DBR_SUPPORT := y
 CONFIG_TX_AGGREGATION_SIZE_ENABLE := y
+CONFIG_RX_PERFORMANCE := y
 
 ifeq ($(CONFIG_CNSS_QCA6390), y)
 	ifeq ($(CONFIG_CNSS_EMULATION), y)