[gigablue - seplus,ueplus, quad, quadplus] - Update drivers

seplus/ueplus now use same buildtree like quad/quadplus

FIX /proc/stb/fp/rtc
FIX /proc/stb/video/policy
FIX ac3+/dts-hd passthrough via hdmi.
   if ac3+/dts-hd supported on avr.
      it will be connected audio passthrough.
   if only ac3 supported on avr.
      it will be connected ac3+ converted ac3 audio passthrough.
ADD /proc/stb/hdmi/bypass_edid_checking
   if bypass_edid_checking is '1' and downmix is 'off'
      it will be connected audio passthrough.
FIX audio mute via hdmi
FIX audio Mediaportal
FIX opening delay on tuxtxt (videotext)