The check to validate if the logo file was loaded correctly was
incorrect.
Now check the actual logo size.
BUG=N/A
TEST=build
Change-Id: Ib3a808dd831986e8347512892ee88983d376d34c
Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38124
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>