[WCNCR00148316] misc: add set max rf gain command

[Description]
Add iwpriv driver set_max_rfgain command
1. set WF0/WF1 Max RF Gain manunally
2. command format
   "set_max_rfgain <Sel> [WF0 Gain] [WF1 Gain]"
   <Sel>: Set Gain manually (1)
          Restore to original (0)

   WF0/WF1 Gain Range : Max 58 - Min 8
   WF0/WF1 Gain input are optional when Sel=0

3. command sample
   iwpriv wlan0 driver "set_max_rfgain 1 20 20"
   set WF0/WF1 Max RF Gain 20dB

Change-Id: I81564c1ac1a241dd5d81661f0608c0e13f3725ad
Feature: misc
Signed-off-by: Saker Hsia <saker.hsia@mediatek.com>
CR-Id: WCNCR00148316
1 file changed