regdb: enable HT40 on channels 8-13 in Japan
regdb: enable HT40 on channels 8-13 in Japan

According to 802.11-2012 Table E-3 channel 8/9 can be
used with HT40+, and correspondingly 12/13 with HT40-
so enable this.

Signed-off-by: Johannes Berg <bff32994ff0f8d048f262a8388145a71b6071bfe@intel.com>
Signed-off-by: John W. Linville <2a53bac7a5d324865ef46ec4c38b2c0fba1456b4@tuxdriver.com>

vaginessa/wireless-regdb,Distrotech/wireless-regdb,0x90/wireless-regdb,CTU-IIG/802.11p-wireless-regdb,perillamint/wireless-regdb-hx