yaml: format with prettier

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I193f690f3612fe72ec69030f81f4d5096a761601
diff --git a/yaml/xyz/openbmc_project/Network/Experimental/Tunnel.interface.yaml b/yaml/xyz/openbmc_project/Network/Experimental/Tunnel.interface.yaml
index 89e3039..fe2bdae 100644
--- a/yaml/xyz/openbmc_project/Network/Experimental/Tunnel.interface.yaml
+++ b/yaml/xyz/openbmc_project/Network/Experimental/Tunnel.interface.yaml
@@ -71,12 +71,12 @@
       description: >
           Possible IPv6 tunnel types.
       values:
-        - name: ip6ip6
-          description: >
-              IPv6 over IPv6.
-        - name: ipip6
-          description: >
-              IPv4 over IPv6.
-        - name: any
-          description: >
-              Either ip6ip6 or ipip6.
+          - name: ip6ip6
+            description: >
+                IPv6 over IPv6.
+          - name: ipip6
+            description: >
+                IPv4 over IPv6.
+          - name: any
+            description: >
+                Either ip6ip6 or ipip6.