qca-wifi: Add support for CFR capture on unassociated clients

As part of FR 56301, add support to capture CFR data for
unassociated clients on its Probe response's ACK

Change-Id: I14a4eead4ceeb3eb21d8f2bdf76007f873db1f4e
CRs-Fixed: 2501938

cfr/inc/target_if_cfr_8074v2.h

@@ -21,7 +21,6 @@
 
 #define STREAMFS_MAX_SUBBUF_8S 8500
 #define STREAMFS_NUM_SUBBUF_8S 255
-#define MAX_PEERS_HKV2 10
 #define PEER_CFR_CAPTURE_EVT_STATUS_MASK 0x80000000
 #define CFR_TX_EVT_STATUS_MASK           0x00000003