linux-phytec-fsl

video: mb862xxfb: add support for L1 displaying

Allow displaying L1 video data on top of the primary L0 layer.
The L1 layer position and dimensions can be configured and the
layer enabled/disabled by using the appropriate L1 controls
added by this patch.

Signed-off-by: Anatolij Gustschin <agust@denx.de>