Why mt7613 is loading "mt7663pr2h_rebb.bin"?

[dsouza]

OK, I've found the following reference which may provide some additional insight to my question:

Adding OpenWrt support for Archer A6 v3

I also think it is kind of similar to mt7615, but software engineer from Mediatek said that I should apply mt7663 drivers to work with mt7613

and

ramips/mediatek: select kmod-mt7615-firmware where kmod-mt7615e is selected