ath9k_htc: Update to current master
ath9k_htc: Update to current master Based on commit 014ff6fde0fab968eb5b4365e83a93a2fff452c2 dated Jan 28 2018.
ath9k_htc: Add patch for GCC 6.3.0 ISO C++ forbids comparison between pointer and integer.
ath9k_htc: Update to upstream's commit d19607454d656cb14d8c16dfbf161eebb542e8fe dated June 25 2017
Setting up repository