soc/intel/xeon_sp/cpx: Account for 'rc' heap manager

The xeon_sp/cpx has a second 'rc' heap inside FSP-M that is statically
allocated at the start of CAR. This breaks FSP 2.0 specification. This
can be worked around in the linker scripts to make sure coreboot and
FSP-M don't fight over the same memory.

Tested
- on ocp/deltalake: boot and the "Smashed stack detected in
romstage!" message at the end of romstage is gone.
- qemu/i440fx: BUILD_TIMELESS=1 results in the same binary.

Change-Id: I6d02b8a46a2a8ef00f34d8f257595d43f5d3d590
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49085
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Jonathan Zhang <jonzhang@fb.com>

0 files changed, 0 insertions, 0 deletions