memtest86+: Wrap BAILOUT and BAILR macros in "do {} while (0)" construct

This makes the code look more C-like, which will assist when doing
automated white space adjustments.

Change-Id: I7eaadb50289fc060ad568568496080f26a354156
Signed-off-by: Ben Gardner <gardner.ben@gmail.com>
Reviewed-on: https://review.coreboot.org/13951
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
3 files changed