x86: Add a VESA video driver

Add a driver intended to cope with any VESA-compatible x86 graphics
adapter. It will not support ROMs which use OpenFirmware (Forth) since
there is no support for that in U-Boot. This means that MAC OS cards
will not work.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index c3fcf45..9f3c8bb 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -44,6 +44,7 @@
 obj-$(CONFIG_VIDEO_SUNXI) += sunxi_display.o videomodes.o
 obj-$(CONFIG_VIDEO_TEGRA) += tegra.o
 obj-$(CONFIG_VIDEO_VCXK) += bus_vcxk.o
+obj-$(CONFIG_VIDEO_VESA) += vesa_fb.o
 obj-$(CONFIG_VIDEO_X86) += x86_fb.o
 obj-$(CONFIG_FORMIKE) += formike.o
 obj-$(CONFIG_AM335X_LCD) += am335x-fb.o