firmware v0.5.3 released

[Ricardo Quesada]

Hi,

I've just released firmware v0.5.3.
Download:
https://github.com/ricardoquesada/unijoysticle2/releases/tag/release_firmware_v0.5.3

Changelog:
## [0.5.3] - 2020-02-09
### Added
- Firmware: Nintendo Switch Pro: Original Nintendo Switch Pro works.
- Firmware: Nintendo Switch Pro: LEDs are being set.
- Firmware: DualShock 4: LEDs are being set. Uses HID report type 0x11
by default.

### Changed
- Firmware: MTU changed from 48 to 128 bytes. Needed for report 0x11
in DualShock4.
- Firmware: Linux version compiles with clang by default.
- Firmware: Added missing 'break' in OUYA and Generic drivers, making
them more reliable.


This means that the "trinity" of gamepads are supported with all its features:
- Xbox One gamepad: rumble + supports firmware v3.1 and v4.8
- Nintendo Switch Pro: LEDs supported
- DualShock 4: LED with the color of the connected port

What's next:
- There are some clones Nintendo Switch Pro that I'd like to support
- Support Nintendo Joy-Cons