[WCNCR00158507] misc: Add RF setting control

[Description]
Add RF settings GET commands

Solution:
Provide PoP, PD, ED, RFGain get commands,
these commands need corresponding firmware(CL69201).

Test:
WiFi scan/connection OK, no error (return 0) if using old firmware.

Change-Id: I1b88130380fdadd036298243fece2fd59f26252a
CR-Id: WCNCR00158507
Feature: misc
Signed-off-by: ZD Hu <zd.hu@mediatek.com>
(cherry picked from commit 3d959f5576b29bc924905dee35bb73c823c30717)
1 file changed