Driver missing in the package

I've installed 2 packages on mt7628 device running 18.06.4:


but later was not able to find the actual drivers (.ko files) on my system. After I manually unpacked the .ipk files I realized that they are simply not present in the package.

I was able to find the proper files in 17.01.4 repository, here is the example where bmp085.ko file is present in /./lib/modules/4.4.182/

Manual build with 18.06.4 produced the same 'empty' packages. Any idea how to get the drivers? Need them for testing.