autoreboot: default automated reboot to on

This default occurs via the phosphor-settingsd/settings.yaml but it's
always good to have it set via the interface definition.

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: Ic9d81bf685f3900fa6bc08bcad1b6e870797c199
diff --git a/xyz/openbmc_project/Control/Boot/RebootPolicy.interface.yaml b/xyz/openbmc_project/Control/Boot/RebootPolicy.interface.yaml
index 06f2faa..ae748ee 100644
--- a/xyz/openbmc_project/Control/Boot/RebootPolicy.interface.yaml
+++ b/xyz/openbmc_project/Control/Boot/RebootPolicy.interface.yaml
@@ -6,3 +6,4 @@
       type: boolean
       description: >
           Whether or not auto reboot is enabled.
+      default: true