et8000/et10000:
-fix DVB-C snr value
-fix DVB-C tuner init after reboot
-fix DVB-T(2) bandwidth parameter (Si2168)
-fix DVB-T snr calculation crash (TDA18273)
-various optimizations (size / boot speed)

 et4000:
-fix hdmi hotplugging
-fix ethernet after deep-standby