yaml: format with prettier

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I193f690f3612fe72ec69030f81f4d5096a761601
diff --git a/yaml/xyz/openbmc_project/Control/Boot/Source.interface.yaml b/yaml/xyz/openbmc_project/Control/Boot/Source.interface.yaml
index facf5d7..8a7b46b 100644
--- a/yaml/xyz/openbmc_project/Control/Boot/Source.interface.yaml
+++ b/yaml/xyz/openbmc_project/Control/Boot/Source.interface.yaml
@@ -10,23 +10,23 @@
 enumerations:
     - name: Sources
       description: >
-        Possible sources of a boot image.
+          Possible sources of a boot image.
       values:
-        - name: Disk
-          description: >
-            Boot from the local hard disk.
-        - name: ExternalMedia 
-          description: >
-            Boot from CD/DVD.
-        - name: Network
-          description: >
-            Boot from a remote source over a network.
-        - name: Default
-          description: >
-            Boot from an implementation defined source.
-        - name: RemovableMedia
-          description: >
-            Boot from floppy/primary removable media (USB).
-        - name: HTTP
-          description: >
-            Boot from a remote source over http/https.
+          - name: Disk
+            description: >
+                Boot from the local hard disk.
+          - name: ExternalMedia
+            description: >
+                Boot from CD/DVD.
+          - name: Network
+            description: >
+                Boot from a remote source over a network.
+          - name: Default
+            description: >
+                Boot from an implementation defined source.
+          - name: RemovableMedia
+            description: >
+                Boot from floppy/primary removable media (USB).
+          - name: HTTP
+            description: >
+                Boot from a remote source over http/https.