x86: Build vga video code only if CONFIG_VIDEO_VGA is defined
When running from coreboot we don't want this code, so make it
optional.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/README b/README
index c7aab18..0f5dfad 100644
--- a/README
+++ b/README
@@ -1409,6 +1409,13 @@
boot. See the documentation file README.video for a
description of this variable.
+ CONFIG_VIDEO_VGA
+
+ Enable the VGA video / BIOS for x86. The alternative if you
+ are using coreboot is to use the coreboot frame buffer
+ driver.
+
+
- Keyboard Support:
CONFIG_KEYBOARD