Added basic EPDC driver, including support for PXP conversions (rotation,
auto-waveform selection, CSC). Self-clock gating also supported.
Signed-off-by: Danny Nold <dannynold@freescale.com>
Support DP gamma by setting piecewise linear approximation,
application need set coefficient const[k] and slope[k]. The algorithm to
calculate these coefficient pls refer to unit test.
Signed-off-by: Jason Chen <b02280@freescale.com>
