x86: video: Add coreboot framebuffer support

Add a basic driver for the coreboot framebuffer.

Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index ebb6da8..cc3022a 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -39,6 +39,7 @@
 COBJS-$(CONFIG_S6E63D6) += s6e63d6.o
 COBJS-$(CONFIG_SED156X) += sed156x.o
 COBJS-$(CONFIG_VIDEO_AMBA) += amba.o
+COBJS-$(CONFIG_VIDEO_COREBOOT) += coreboot_fb.o
 COBJS-$(CONFIG_VIDEO_CT69000) += ct69000.o videomodes.o
 COBJS-$(CONFIG_VIDEO_DA8XX) += da8xx-fb.o videomodes.o
 COBJS-$(CONFIG_VIDEO_MB862xx) += mb862xx.o videomodes.o