convert mtd-mac-address to nvmem implementation

[e9hack]

Am 19.07.2021 um 16:24 schrieb Ansuel Smith:
> hi,
> some dtsi still use the old implementation as they have to be manually
> migrated. Does it cause any problem ?

I don't see a problem. I did check the dtsi files of the two routers which I'm using. One is migrated and the other one was still missing.

> 
>> Hi, it looks like, that qca9558_tplink_archer-c.dtsi is missing in commit abc17bf (ath79: convert mtd-mac-address to nvmem implementation). Regards, Hartmut