initvals: add script for regenerating ath9k header files
initvals: add script for regenerating ath9k header files

The script helps to regenerate initval header files for ath9k.

screenshot:
$ ./gen_ath9k_headers.sh ar5008
ar5008 => ar5008_initvals.h

$ ./gen_ath9k_headers.sh
ar5008 => ar5008_initvals.h
ar9001 => ar9001_initvals.h
ar9002 => ar9002_initvals.h
ar9003-2p2 => ar9003_2p2_initvals.h
ar9330-1p1 => ar9330_1p1_initvals.h
ar9330-1p2 => ar9330_1p2_initvals.h
ar9485 => ar9485_initvals.h
ar9580-1p0 => ar9580_1p0_initvals.h

Signed-off-by: Gabor Juhos <0b85b0feb94c9a44e8676965f48a70291ba74edb@openwrt.org>

qca/qca-swiss-army-knife,qca/qca-swiss-army-knife,mcgrof/qca-swiss-army-knife,qca/qca-swiss-army-knife,qca/qca-swiss-army-knife