[partition] Add an option to show/hide LVM buttons.

src/modules/partition/partition.conf

@@ -247,6 +247,13 @@ defaultFileSystemType:  "ext4"
 # to cypher their disk when installing in enterprise (for exemple).
 #preCheckEncryption:    false
 
+# LVM support
+#
+# There is only one sub-key available, *enable* (defaults to true)
+# which can be used to show (default) or hide the LVM buttons in the partitioning module.
+lvm:
+    enable: true
+
 # Partition layout.
 #
 # This optional setting specifies a custom partition layout.

src/modules/partition/partition.schema.yaml

@@ -20,6 +20,12 @@ properties:
             mountPoint: { type: string }
         additionalProperties: false
 
+    lvm:
+        type: object
+        properties:
+            enable: { type: boolean, default: true }
+        additionalProperties: false
+
     userSwapChoices: { type: array, items: { type: string, enum: [ none, reuse, small, suspend, file ] } }
     # ensureSuspendToDisk: { type: boolean, default: true }  # Legacy
     # neverCreateSwap: { type: boolean, default: false }  # Legacy