video: add an i.MX31 framebuffer driver

Add a driver for the Synchronous Display Controller and the Display
Interface on i.MX31, using IPU for DMA channel setup. So far only
displaying of bitmaps is supported, no text output.

Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Acked-by: Anatolij Gustschin <agust@denx.de>
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 84d4cb7..bc00852 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -31,6 +31,7 @@
 COBJS-$(CONFIG_S6E63D6) += s6e63d6.o
 COBJS-$(CONFIG_VIDEO_CT69000) += ct69000.o
 COBJS-$(CONFIG_VIDEO_MB862xx) += mb862xx.o
+COBJS-$(CONFIG_VIDEO_MX3) += mx3fb.o
 COBJS-$(CONFIG_VIDEO_SED13806) += sed13806.o
 COBJS-$(CONFIG_SED156X) += sed156x.o
 COBJS-$(CONFIG_VIDEO_SM501) += sm501.o