Okay, I've managed to patch the binary myself. Here I provide the details for my patching process. File: ApplePS2ElanTouchpad.kext/Contents/MacOS/ApplePS2ElanTouchpad
Modify:
01d9d (dec 7581) 41 C6 86 F5 03 00 00 0B // mov byte [ds:r14+0xf5], 0xb
To:
01d9d (dec 7581) 41 C6 86 F5 03 00 00 03 // mov byte [ds:r14+0xf5], 0x3
Maybe you can add a device-specific code to prevent from rebooting on troublesome Gigabyte laptops. Thanks for your awesome driver!