- Support for
        - overlays through separate /dev/fbX nodes
        - scaling and color space conversion
        - per-plane memory configuration either in SRAM or SDRAM

- Replace custom debug stuff with the default kernel one
Signed-off-by: Imre Deak <ext-imre.deak@nokia.com>
Signed-off-by: Juha Yrjola <juha.yrjola@solidboot.com>