net: wireless: update db.txt for WLAN

Update db.txt for WLAN. This is a snapshot of the
db.txt as of msm-4.9 commit:
commit 6d30e30ea00b ("msm: wlan: Update regulatory database").

Change-Id: I1798e8b7d2e8b579074506dfb5831725dc150d27
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>