ath9k_hw: Read and configure turnning caps to regulate freq accuracy

Right now it is done for only AR9485, will be done for ar9003 also
after proper testing.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2 files changed