arch/x86/Kconfig: hide the "Bootblock behaviour" option on non-romcc

Selecting which cbfs prefix to load is only implemented with the romcc
bootblock.

Change-Id: I09523b94605f00ab15b5f0ea3986ac08e3a6afc6
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33341
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

0 files changed, 0 insertions, 0 deletions