msm: wlan: Update/Add countries to wifi database db.txt.

Add countries AF, BT, BF, CF, CX, GH, MV, MR, FM, ME, PW, SN,
TZ, TG and VU to the wifi database. Correct entries for AS, BM,
BS, LB, MP, MN, MU, NI, PG and PY that conform to 5G domain FCC3.
Also correct entries for CZ, DE, ES, GF, GP, MC, MQ, MW, OM, PF
that conform to 5G domain ETSI1.

CRs-Fixed: 725522
Change-Id: I382de6927f6e52a350c2b69ab238941450daa7b9
Signed-off-by: Amar Singhal <asinghal@codeaurora.org>