wifi: ath12k: assign unique hardware link IDs during QMI host cap

Currently, in the QMI host capability, the device index, the number of local
links, and the corresponding hardware link IDs are sent. The hardware link ID
assignment is based on the local variable `hw_link_id`, which starts from 0 and
ranges up to `num_local_links` in the device.  Starting from 0 is not ideal
because it can result in the same link ID being assigned to different devices
in certain scenarios (e.g., split MAC).  Additionally, for multi link
operations the firmware expects the hardware link IDs in the same order as the
Wireless Serial Interface (WSI) connection.

Hence, for MLO to function seamlessly, the hardware link IDs across devices
need to be unique and should follow the order of the WSI connection. To address
this, a previous change read the WSI index from the Device Tree (DT) and stored
it. Use this WSI index to determine the starting hardware link IDs for each
device, ensuring uniqueness and correct order across all devices.

While at it, add debug prints to clearly show the MLO capability advertisement
sent during QMI host capability exchange.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3

Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Co-developed-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20241211154358.776279-7-kvalo@kernel.org
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>

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