Upgrade Drivetrain modifications.

Change-Id: I3e5af8653d2e00e0b9e013ca09edc8d93d5b8b16
Related: PROD-20847
diff --git a/linux/system/repo/mcp/apt_mirantis/saltstack.yml b/linux/system/repo/mcp/apt_mirantis/saltstack.yml
index 6fcd5a1..ec7d320 100644
--- a/linux/system/repo/mcp/apt_mirantis/saltstack.yml
+++ b/linux/system/repo/mcp/apt_mirantis/saltstack.yml
@@ -12,3 +12,7 @@
           key_id: 0E08A149DE57BFBE
           key_server: keyserver.ubuntu.com
           clean_file: true
+          pin:
+          - pin: 'release o=SaltStack'
+            priority: 1100
+            package: '*'
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