HX711 Breakout board doesnt work on 2.0.2

Hello All

I have a build, where i use an HX711 breakout board. After the updating to core 2.0.2, my 101's (tested on several) doesn't seem able to communicate with it. I have tried several different libraries, all with the same result. Now i just went back to 1.0.7, and everything worked fine right off the bat. So it seems that there are some sort of regression.
Sadly i am not myself skilled enough to tackle this, but i am hoping that someone can help :)

For reference, the best library i have been able to find for the HX711, is bogde's version:
https://github.com/bogde/HX711

Start by reproducing the HX711 communication failure on an Arduino 101 with core 2.0.2, then compare the same setup with core 1.0.7. Review the referenced bogde/HX711 library and the core changes between those versions. Done means identifying the regression and confirming that HX711 communication works again on the affected boards.

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