x86: Init video in SPL if enabled

When video is required in SPL, set this up ready for use. Ignore any
problems since it may be that video is not actually available and we
still want to continue on to U-Boot proper in that case.

Make sure that the SPL banner is only shown once.

Change-Id: I51e48cfd19ef0c0ff56d7d51c52d789b41112378
Signed-off-by: Simon Glass <sjg@chromium.org>
1 file changed