3rdparty/blobs: Update submodule, SNB improvements

The sandybridge systemagent-r6 blob is modified:
- To be more flexible about the location of the stack w.r.t. the heap
- Place the MRC pool right below the MRC_VAR region
- to work with the same DCACHE_RAM_BASE from the native raminit (could
  make the CAR linker symbols easily compatible if desired)

This allows CAR setup compatibility between mrc.bin and native
bootpath and also allows for BIOS/memory mappeds region larger than
8MB.

This changes the semantics of CONFIG_DACHE_RAM_MRC_VAR_SIZE to also
include the pool on top of MRC_VAR region.

TESTED on T520 (boots and resumes from S3 with mrc.bin).

Change-Id: I17d240656575b69a24718d90e4f2d2b7339d05a7
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33228
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 0 insertions, 0 deletions

diff --git a/3rdparty/blobs b/3rdparty/blobs
-Subproject ca6cfcdbe1cdeb38c2622ee2e5236cc4657e337
+Subproject d7600dd8718a076f0f9a89e53968b484254624d