wifi: ath12k: Support Uplink MUMIMO Trigger Stats

wifi: ath12k: Support Uplink MUMIMO Trigger Stats

Add support to request uplink MUMIMO trigger stats from firmware
through HTT stats type 27. These stats give information about
bandwidth, RSSI of signal received, dB mean of pilots received,
etc., of all users.

Note: MCC firmware version WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
does not support tags HTT_STATS_RX_PDEV_UL_TRIG_STATS_TAG(94) and
HTT_STATS_RX_PDEV_UL_OFDMA_USER_STATS_TAG(95), currently.

Sample output:
-------------
echo 27 > /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_RX_PDEV_UL_MUMIMO_TRIG_STATS_TLV:
mac_id = 0
rx_11ax_ul_mumimo = 0
ul_mumimo_rx_mcs =  0:0, 1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0, 9:0, 10:0, 11:0, 12:0, 13:0
ul_mumimo_rx_gi_0 =  0:0, 1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0, 9:0, 10:0, 11:0, 12:0, 13:0
ul_mumimo_rx_gi_1 =  0:0, 1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0, 9:0, 10:0, 11:0, 12:0, 13:0
.....
ul_mumimo_rx_nss =  1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0
ul_mumimo_rx_bw =  0:0, 1:0, 2:0, 3:0
half_ul_mumimo_rx_bw =  0:0, 1:0, 2:0, 3:0
quarter_ul_mumimo_rx_bw =  0:0, 1:0, 2:0, 3:0
ul_mumimo_rx_stbc = 0
ul_mumimo_rx_ldpc = 0
rx_ul_mumimo_rssi_in_dbm: chain0  =  0:6, 1:0, 2:0, 3:0
rx_ul_mumimo_rssi_in_dbm: chain1  =  0:0, 1:0, 2:0, 3:0
.....
rx_ul_mumimo_target_rssi: user_0  =  0:-128, 1:-128, 2:-128, 3:-128
rx_ul_mumimo_target_rssi: user_1  =  0:-128, 1:-128, 2:-128, 3:-128
.....
rx_ul_mumimo_fd_rssi: user_0  =  0:0, 1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0
rx_ul_mumimo_fd_rssi: user_1  =  0:0, 1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0
.....
rx_ulmumimo_pilot_evm_db_mean: user_0  =  0:0, 1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0
rx_ulmumimo_pilot_evm_db_mean: user_1  =  0:0, 1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0
.....
ul_mumimo_basic_trigger_rx_qos_null_only = 0

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1

Signed-off-by: Roopni Devanathan <quic_rdevanat@quicinc.com>
Link: https://patch.msgid.link/20250204064417.3671928-5-quic_rdevanat@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>