wifi: ath12k: Add device dp stats support

Add support for data path related device specific stats. This
information helps to debug connectivity and performance issues
in AP, STA, and Mesh modes.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1

Signed-off-by: Vinith Kumar R <quic_vinithku@quicinc.com>
Signed-off-by: Nithyanantham Paramasivam <quic_nithp@quicinc.com>
Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com>
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>