ath10k: add chip_id file to debugfs
ath10k: add chip_id file to debugfs

So that's it's possible to query chip id from ath10k anytime.

Signed-off-by: Kalle Valo <7081a7d99b8c74c0698a728df19e3915a995d7e1@qca.qualcomm.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs