Change in coreboot[master]: Update cmocka submodule to upstream master

[Martin Roth (Code Review)]

Martin Roth has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/51465 )

Change subject: Update cmocka submodule to upstream master
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Update cmocka submodule to upstream master

Updating from commit id 672c5ce:
2020-02-13 11:36:50 +0100 - (Refactor symbol map freeing to avoid UB)

to commit id a4fc3dd:
2020-10-12 08:25:26 +0200 - (cmocka: Use intmax_t for assert_return_code())

This brings in 23 new commits.

Signed-off-by: Martin Roth 
Change-Id: I82b09897264db141dfde9ad6ea883bae49abdde9
---
M 3rdparty/cmocka
1 file changed, 1 insertion(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/65/51465/1

diff --git a/3rdparty/cmocka b/3rdparty/cmocka
index 672c5ce..a4fc3dd 160000
--- a/3rdparty/cmocka
+++ b/3rdparty/cmocka
@@ -1 +1 @@
-Subproject commit 672c5cee79eb412025c3dd8b034e611c1f119055
+Subproject commit a4fc3dd7705c277e3a57432895e9852ea105dac9