ath10k: split fw pdev stats parsing

This will make it easier to implement fw stats
parsing for firmware 10.2.

This also renames a few structures for
consistency.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2 files changed