ath11k: Assign free_vdev_map value before ieee80211_register_hw

Firmware crash is seen randomly, because of sending wrong vdev_id
in vdev_create command. This is due to free_vdev_map value being 0.
free_vdev_map is getting assigned after ieee80211_register_hw. In
some race conditions, add_interface api is getting called before
assigning value to free_vdev_map. Fix this by assigning free_vdev_map
before ieee80211_register_hw.

Also, moved ar->cc_freq_hz and ar->txmgmt_idr initialization before
ieee80211_register_hw to avoid such race conditions.

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.5.0.1-00948-QCAHKSWPL_SILICONZ-1
Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.4.0.1-01734-QCAHKSWPL_SILICONZ-1

Signed-off-by: Seevalamuthu Mariappan <[email protected]>
Signed-off-by: Jouni Malinen <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

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