Change Log
171031:
Base on 171019
1. disable gpio interrupt mode ,using polling mode
2. enable ieee80211n
3. sdio speed to 36M
4. wsm 2.6

171019:
Base on 170821
1. support gpio interrup mode
2. enable 80211n mode
3. change kernel sdio bus to 36M

170821:
Base on 170807
1. update country regulation file "db.txt" to latest

170807:
Base on 170602
1.change "cw1200" to "acc1340" in print log
2. change wsm to 2.5
3. fix iwconfig wlan0 txpower xx bug

170602:
Based on 170411
1. Disable IPV6 because anyka platform kernel disable ipv6 by default
2. Disable CONFIG_CW1200_DUMP_ON_ERROR macro define which cause driver crash

170411:
1 Linux kernel version for anyka is 3.4.35
2 The wifi driver works well in station and AP mode.