qcacmn: Enable the 4th Tx. completion ring

Enable the 4th Tx. completion ring to save CPU load
Initialization and interrupt handling for 4th completion ring
is done here.

Change-Id: I2db27218a3c3e14d719d012f03454a6a7aa647fe

wlan_cfg/cfg_dp.h

@@ -244,6 +244,10 @@
 #define WLAN_CFG_NUM_TCL_DATA_RINGS_MIN 1
 #define WLAN_CFG_NUM_TCL_DATA_RINGS_MAX MAX_TCL_DATA_RINGS
 
+#define WLAN_CFG_NUM_TX_COMP_RINGS WLAN_CFG_NUM_TCL_DATA_RINGS
+#define WLAN_CFG_NUM_TX_COMP_RINGS_MIN WLAN_CFG_NUM_TCL_DATA_RINGS_MIN
+#define WLAN_CFG_NUM_TX_COMP_RINGS_MAX WLAN_CFG_NUM_TCL_DATA_RINGS_MAX
+
 #if defined(CONFIG_BERYLLIUM)
 #define WLAN_CFG_NUM_REO_DEST_RING 8
 #else
@@ -565,6 +569,13 @@
 		WLAN_CFG_NUM_REO_DEST_RING, \
 		CFG_VALUE_OR_DEFAULT, "DP REO Destination Rings")
 
+#define CFG_DP_TX_COMP_RINGS \
+		CFG_INI_UINT("dp_tx_comp_rings", \
+		WLAN_CFG_NUM_TX_COMP_RINGS_MIN, \
+		WLAN_CFG_NUM_TX_COMP_RINGS_MAX, \
+		WLAN_CFG_NUM_TX_COMP_RINGS, \
+		CFG_VALUE_OR_DEFAULT, "DP Tx Comp Rings")
+
 #define CFG_DP_TCL_DATA_RINGS \
 		CFG_INI_UINT("dp_tcl_data_rings", \
 		WLAN_CFG_NUM_TCL_DATA_RINGS_MIN, \
@@ -1500,6 +1511,7 @@
 		CFG(CFG_DP_MAX_CLIENTS) \
 		CFG(CFG_DP_MAX_PEER_ID) \
 		CFG(CFG_DP_REO_DEST_RINGS) \
+		CFG(CFG_DP_TX_COMP_RINGS) \
 		CFG(CFG_DP_TCL_DATA_RINGS) \
 		CFG(CFG_DP_NSS_REO_DEST_RINGS) \
 		CFG(CFG_DP_NSS_TCL_DATA_RINGS) \