msm: wlan: update db.txt for WLAN

Update db.txt for WLAN. This is a snapshot of the
db.txt as of msm-4.4 commit:
commit 932b3c2ccd6d ("msm: wlan: Change EIRP value for country China").

CRs-Fixed: 2035383
Change-Id: Icb9fe89b32ab91bf1f48c96479fb96f44323d3b0
Signed-off-by: Yuanyuan Liu <yuanliu@codeaurora.org>