Add support for the Arc monochrome LCD board.
The board uses KS108 controllers to drive individual 64x64 LCD matrices.
The board can be paneled in a variety of setups such as 2x1=128x64,
4x4=256x256 and so on. The board/host interface is through GPIO.
Signed-off-by: Jaya Kumar
Cc: "Antonino A. Daplas"
Cc:
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds