memtest86+: Fix redrawing the display for serial console
When building memtest86+ with serial console, refreshing the screen
clears the screen buffer which caused most of the display blank.
For serial console whole screen should be redrawn and screen
buffer must not be cleared when refreshing.
Signed-off-by: Michał Żygowski <firstname.lastname@example.org>
Tested-by: build bot (Jenkins) <email@example.com>
Reviewed-by: Martin Roth <firstname.lastname@example.org>
1 file changed