angler: update wifi nvram for Korea

  Some channel's TX power limit is bellow 10dBm in Korea,and the
current nvram is not calibrated very accurate for channels that
has the limitation of TX power bellow 10dBm; Now we update it to
make it more accurate;

bug: 24902784
Change-Id: I575713cd27a6013c93d4563fbacb568ebfcbadd8
3 files changed