Add fb support for Marvell mmp display subsystem. This driver is
configured using "buffer driver mach info". With configured name of path,
this driver get path using using exported interface of mmp display driver.
Then this driver get overlay using configured id and operates on this
overlay to show buffers on display devices.
Signed-off-by: Zhou Zhu
Signed-off-by: Lisa Du
Cc: Guoqing Li
Acked-by: Haojian Zhuang
Cc: Florian Tobias Schandinat
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds