wifi: ath12k: Support pdev error stats

Add support to request pdev error stats from firmware through HTT stats
type 5. This stats type gives information such as list of pdev errors,
reasons for reset, logging information about recovery, drain and war
stats. etc.

Sample output:
-------------
echo 5 > /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats_type
cat /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats

HTT_HW_STATS_PDEV_ERRS_TLV:
mac_id = 0
tx_abort = 0
tx_abort_fail_count = 0
rx_abort = 53
.....

PDEV_PHY_WARM_RESET_REASONS:
phy_warm_reset_reason_phy_m3 = 0
phy_warm_reset_reason_tx_hw_stuck = 0
phy_warm_reset_reason_num_cca_rx_frame_stuck = 0
.....

WAL_RX_RECOVERY_STATS:
wal_rx_recovery_rst_mac_hang_count = 0
wal_rx_recovery_rst_known_sig_count = 0
wal_rx_recovery_rst_no_rx_count = 0
.....

HTT_RX_DEST_DRAIN_STATS:
rx_dest_drain_rx_descs_leak_prevention_done = 0
rx_dest_drain_rx_descs_saved_cnt = 0
rx_dest_drain_rxdma2reo_leak_detected = 0
.....

HTT_HW_STATS_INTR_MISC_TLV:
hw_intr_name = AMPI
mask = 0
count = 2

HTT_HW_STATS_WHAL_TX_TLV:
mac_id = 0
last_unpause_ppdu_id = 0
hwsch_unpause_wait_tqm_write = 0
.....

HTT_HW_WAR_STATS_TLV:
mac_id = 0
hw_war 0 = 0
hw_war 1 = 0
.....

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4

Signed-off-by: Dinesh Karthikeyan <quic_dinek@quicinc.com>
Signed-off-by: Roopni Devanathan <quic_rdevanat@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20240625042217.1303332-3-quic_rdevanat@quicinc.com