msm: wlan: Update db.txt for 2 countries

Update db.txt for Bolivia and Marshall Islands. Also update
tx power for FCCA countries. Also correct the entry for JP
to not use 160 MHz.

CRs-Fixed: 725522
Change-Id: I9c1bdddfa13f84239b94ac2329f5fdf0bbf64972
Signed-off-by: Amar Singhal <asinghal@codeaurora.org>