video console: implement multiple fonts configuration

This needed for unit testing different fonts.

Configured fonts are placed in an array of fonts.
First font is selected by default upon console probe.

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
[agust: fixed build error when bmp logo disabled]
Signed-off-by: Anatolij Gustschin <agust@denx.de>
10 files changed