[FS#630] rt2x00: bug with mt7620 target power parsing from eeprom

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - psyborg55 (psyborg55) 

Attached to Project - LEDE Project
Summary - rt2x00: bug with mt7620 target power parsing from eeprom
Task Type - Bug Report
Category - Kernel
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Medium
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - I've noticed with default auto txpower config 5GHz radio will get proper target power and use it. 2.4GHz radio just gets 20dBm as default from somewhere, which clearly isn't eeprom since it has also target power 17dBm.

-Xiaomi Miwifi Mini
-LEDE Reboot SNAPSHOT r3742-894ee95

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=630