Changelog:
- SDL2 was updated to lastest master
- DInput was disabled from build configuration (Close#2238)
- HIDAPI was forced enabled on Linux and libusb library name was fixed (Close#2226)
NOTE about HIDAPI support on Linux:
Make sure that your gamepad is accesible to your user for it to be detected by HIDAPI. This can be done via a udev rule like:
```
KERNEL=="hidraw*", MODE="0660", TAG+="uaccess"
```
**NOTE: This rule is given as an example, this can present a security
risk. Make sure to filter by vendor and product ids.**
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