video_printf: align text

This change allows video_printf to left/center/right-align text depending on
the enum value provided by the caller. This is useful especially because usually
the length of formatted string is unknown before calling video_printf.

BUG=none
BRANCH=smaug
TEST=drew fastboot screens on Smaug
CQ-DEPEND=CL:296460

Reviewed-on: https://chromium-review.googlesource.com/292929
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit 436f05f60c1b88626740a35913e3ad37b5c777a3)
Change-Id: If1d50b7d8ddaa86eddc1618946756184cb87bfe1
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/295413
Reviewed-on: http://review.coreboot.org/11583
Tested-by: build bot (Jenkins)
2 files changed