[PATCH wireless v2] wifi: mt76: mt792x: pick the SAR table layout from the table itself

[Devin Wittmayer]

Sagun tested v2 on the GA503RM, the machine these tables came from. Both parse
as v2 and the FCC row reads. Transmit power goes from a flat 2 dBm to the 14.5
the table holds. His numbers are on the issue:

https://github.com/morrownr/mt76/issues/62#issuecomment-5550016870

He also notes the 5 GHz CCK row rising, 36 to 56 against an EEPROM 32. It reads
36 here with and without the patch, so the excess is not new. CCK is not sent on
5 GHz and 2.4 GHz is unaffected.

Tested-by: Sagun Kayastha <sgn.kayastha at gmail.com>

Devin