Add salt-formulas repo

  * Correct pinning
  * At mirror.mirantis.com
  * Unclude update|hotfix stubs

Prod-related: PROD-25034 (PROD:25034)

Change-Id: I3d776ac1d9b15187ae9920be476f14cfcccec969
diff --git a/linux/system/repo/mcp/apt_mirantis/hotfix/salt-formulas.yml b/linux/system/repo/mcp/apt_mirantis/hotfix/salt-formulas.yml
new file mode 100644
index 0000000..f4219ca
--- /dev/null
+++ b/linux/system/repo/mcp/apt_mirantis/hotfix/salt-formulas.yml
@@ -0,0 +1,15 @@
+classes:
+- system.linux.system.repo.keystorage.mirantis_com
+parameters:
+  linux:
+    system:
+      repo:
+        mcp_salt_hotfix:
+          source: "deb [arch=amd64] ${_param:linux_system_repo_hotfix_mcp_salt_url}/${_param:linux_system_codename} ${_param:linux_system_codename} main"
+          key: ${_param:linux_system_repo_mirror_mirantis_key}
+          architectures: amd64
+          clean_file: true
+          pin:
+          - pin: 'release o=Mirantis'
+            priority: 1100
+            package: '*'
diff --git a/linux/system/repo/mcp/apt_mirantis/salt-formulas.yml b/linux/system/repo/mcp/apt_mirantis/salt-formulas.yml
new file mode 100644
index 0000000..289e15c
--- /dev/null
+++ b/linux/system/repo/mcp/apt_mirantis/salt-formulas.yml
@@ -0,0 +1,15 @@
+classes:
+- system.linux.system.repo.keystorage.mirantis_com
+parameters:
+  linux:
+    system:
+      repo:
+        mcp_salt:
+          source: "deb [arch=amd64] ${_param:linux_system_repo_mcp_salt_url}/${_param:linux_system_codename} ${_param:linux_system_codename} main"
+          key: ${_param:linux_system_repo_mirror_mirantis_key}
+          architectures: amd64
+          clean_file: true
+          pin:
+          - pin: 'release o=Mirantis'
+            priority: 1100
+            package: '*'
diff --git a/linux/system/repo/mcp/apt_mirantis/update/salt-formulas.yml b/linux/system/repo/mcp/apt_mirantis/update/salt-formulas.yml
new file mode 100644
index 0000000..ab9e05a
--- /dev/null
+++ b/linux/system/repo/mcp/apt_mirantis/update/salt-formulas.yml
@@ -0,0 +1,15 @@
+classes:
+- system.linux.system.repo.keystorage.mirantis_com
+parameters:
+  linux:
+    system:
+      repo:
+        mcp_salt_update:
+          source: "deb [arch=amd64] ${_param:linux_system_repo_update_mcp_salt_url}/${_param:linux_system_codename} ${_param:linux_system_codename} main"
+          key: ${_param:linux_system_repo_mirror_mirantis_key}
+          architectures: amd64
+          clean_file: true
+          pin:
+          - pin: 'release o=Mirantis'
+            priority: 1100
+            package: '*'
diff --git a/linux/system/repo/mcp/salt/init.yml b/linux/system/repo/mcp/salt/init.yml
index 3430a5c..b3609bb 100644
--- a/linux/system/repo/mcp/salt/init.yml
+++ b/linux/system/repo/mcp/salt/init.yml
@@ -1,3 +1,4 @@
+# DEPRECATED since 2018.12+ release.
 parameters:
   _param:
     linux_system_repo_mcp_salt_version: ${_param:mcp_version}