ath9k_hw: remove support for UB124 tx gain table
ath9k_hw: remove support for UB124 tx gain table

UB124 is a USB based reference design not supported by ath9k or
ath9k_htc.

Signed-off-by: Felix Fietkau <118ed6118e893d16e8c6e0776e0ebc290952c897@openwrt.org>
Signed-off-by: John W. Linville <2a53bac7a5d324865ef46ec4c38b2c0fba1456b4@tuxdriver.com>

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