dreambox-dvb-modules.bb: dm8000 driver update

dreambox-dvb-modules.bb: dm8000 driver update
changes:
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video output core update
add some picture enhancement options to /proc/stb/vmpeg/0 (disabled by default)

pep_sharpness, pep_contrast, pep_saturation, pep_hue, pep_brightness
valid range 0..65535 (hex 0 .. ffff)
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pep_auto_flesh, pep_green_boost, pep_blue_boost
valid range 0..4
pep_auto_flesh provides the capability to improve the human skin color
when it is distorted, i.e redish or blueish
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pep_block_noise_reduction, pep_mosquito_noise_reduction,
pep_digital_contour_removal
valid range 0..5
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pep_dynamic_contrast
range 0..256 (hex 0 .. 100)
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pep_split (left, right, off)
this option enables a splitscreen mode to better show the effect
of the pep options (except pep_contrast, pep_saturation, pep_brightness
and pep_hue)
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pep_apply
write some value to pep_apply is needed for previously set values to take effect
for example "echo 1 > pep_apply"