walkcbfs: Only compile on x86_32

The current implementation was designed for x86_32, so don't
attempt to compile it on x86_64 until it is fixed.

Fixes compilation error on x86_64.

Change-Id: Ibd87dc2979f6d45a988119c06c5f9e61b3e86171
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/c/31467
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

0 files changed, 0 insertions, 0 deletions