wifi: ath12k: Move HAL CE desc related APIs to wifi7 directory

wifi: ath12k: Move HAL CE desc related APIs to wifi7 directory

Move the hardware specific HAL APIs to hal.c file
inside wifi7 directory. These APIs will be called
through the hal_ops mechanism, which are registered
separately by qcn and wcn

Handling following APIs:
ath12k_wifi7_hal_ce_get_desc_size
ath12k_wifi7_hal_ce_src_set_desc
ath12k_wifi7_hal_ce_dst_set_desc

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-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: Pavankumar Nandeshwar <quic_pnandesh@quicinc.com>
Signed-off-by: Ripan Deuri <quic_rdeuri@quicinc.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20251009111045.1763001-11-quic_rdeuri@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>