[WCNCR00148316] misc: add set ed command

[Description]
Add iwpriv driver set_ed command
1. set ED threshold manually
2. command format
  "set_ed <Sel> <EDCCA Value>"
   <EDCCA Value> range: -49 ~ -81 (unit:dBm)
3. Command samples:
  iwpriv wlan0 driver "set_ed 1 -70"
  set CCA_ENERGYACCU threshold to -70

Change-Id: Ib011c0a89587a49598ef795d2bda299e91757741
Feature: misc
Signed-off-by: Saker Hsia <saker.hsia@mediatek.com>
CR-Id: WCNCR00148316
2 files changed