cpu/x86: Use do while loop

With the do while loop, it can be avoided do use an infinite loop with a
break condition inside.

Change-Id: I030f6782ad618b55112a2f0bac8dda08b497a9f1
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-on: https://review.coreboot.org/20269
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

0 files changed, 0 insertions, 0 deletions