qcacmn: Enable timer based low threshold interrupt

Enable timer based low threshold interrupt for waikiki monitor
tx/rx source rings

CRs-Fixed: 3010853
Change-Id: Ia33b110337e610ab9b5d7a9cecb61f6952cd3379

wlan_cfg/cfg_dp.h

@@ -344,10 +344,6 @@
 #define WLAN_CFG_TX_MONITOR_DST_RING_SIZE_MIN 48
 #define WLAN_CFG_TX_MONITOR_DST_RING_SIZE_MAX 4096
 
-#define WLAN_CFG_TX_MONITOR_BUF_SIZE 2048
-#define WLAN_CFG_TX_MONITOR_BUF_SIZE_MIN 48
-#define WLAN_CFG_TX_MONITOR_BUF_SIZE_MAX 8192
-
 #define WLAN_CFG_RXDMA_MONITOR_STATUS_RING_SIZE 1024
 #define WLAN_CFG_RXDMA_MONITOR_STATUS_RING_SIZE_MIN 16
 #define WLAN_CFG_RXDMA_MONITOR_STATUS_RING_SIZE_MAX 8192