yaml: format with prettier

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I193f690f3612fe72ec69030f81f4d5096a761601
diff --git a/yaml/xyz/openbmc_project/Control/PowerSupplyAttributes.interface.yaml b/yaml/xyz/openbmc_project/Control/PowerSupplyAttributes.interface.yaml
index 1e8f1b3..f943eb9 100644
--- a/yaml/xyz/openbmc_project/Control/PowerSupplyAttributes.interface.yaml
+++ b/yaml/xyz/openbmc_project/Control/PowerSupplyAttributes.interface.yaml
@@ -4,7 +4,7 @@
     - name: DeratingFactor
       type: uint32
       flags:
-        - const
+          - const
       description: >
           The power supply derating factor, which is the percentage to multiply
           the input power by to get the output power.