[XS] Change in coreboot[master]: Update stm submodule to upstream master

[Stefan Reinauer (Code Review)]

Stefan Reinauer has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/75796?usp=email )

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

Updating from commit id 1f32582:
2020-09-03 15:00:41 -0400 - (Fix loader error.)

to commit id 4836ce7:
2020-01-29 18:49:48 -0500 - (Fix for problem in restore order for AsmVmLaunch & AsmVmResume)

This brings in 3 new commits:
4836ce7 Fix for problem in restore order for AsmVmLaunch & AsmVmResume
8560868 Merge pull request #1 from tsunghowu/master
5d982b5 Test/FrmPkg: Fix the boot failure if guest OS has kernel 4.12 or newer.

Change-Id: I03fdfd870376a12929a366a0604fabc70d66e62c
Signed-off-by: Stefan Reinauer 
---
M 3rdparty/stm
1 file changed, 1 insertion(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/96/75796/1

diff --git a/3rdparty/stm b/3rdparty/stm
index 1f32582..4836ce7 160000
--- a/3rdparty/stm
+++ b/3rdparty/stm
@@ -1 +1 @@
-Subproject commit 1f3258261a4f4d6c60ec4447c7a03acf2509b984
+Subproject commit 4836ce7d438c48b3526626f2e8b4d6cf36f903e6