qcacmn: Set max ta ra entries to 4 for QCA6490 and QCA6750

This is about CFR feature, set max ta ra entries to 4 for QCA6490 and
QCA6750 base on HW design.

Change-Id: Ief62ac394e3991a896d9bb954289e63ac105e74e
CRs-Fixed: 2939149

umac/cfr/dispatcher/inc/wlan_cfr_utils_api.h

@@ -51,7 +51,11 @@
 #define MAX_CFR_MU_USERS 4
 #define NUM_CHAN_CAPTURE_STATUS 4
 #define NUM_CHAN_CAPTURE_REASON 6
+#if defined(QCA_WIFI_QCA6750) || defined(QCA_WIFI_QCA6490)
+#define MAX_TA_RA_ENTRIES 4
+#else
 #define MAX_TA_RA_ENTRIES 16
+#endif
 #define MAX_RESET_CFG_ENTRY 0xFFFF
 #define CFR_INVALID_VDEV_ID 0xff
 #define DEFAULT_SRNGID_CFR 0