update dreambox hardware drivers

update dreambox hardware drivers
- revert framerate change introduced with 20180130 drivers
- use latest firmware for Si216x-D60 based tuners
- fixed sometimes not working automatic timer wakeup
- dm920:
  - improved support for higher transponder bitrates
  DVB-S2X FBC Tuner (45308x):
    - improved DVB-S2X support
    - faster transponder locking times under certain circumstances
- dm900/dm920: fixed wrong colors with some TVs in 2160p mode (e.g. Panasonic/Sony)
- revert framerate change introduced with 20180130 drivers
- use latest firmware for Si216x-D60 based tuners