Add interface info to .rc files

Signed-off-by: Felix <google@ix5.org>
Change-Id: I6d70bbdb66c3dce280bf6908c3750316a6f6cf70
diff --git a/boot/1.0/default/android.hardware.boot@1.0-service.rc b/boot/1.0/default/android.hardware.boot@1.0-service.rc
index 32f3a45..b8125e1 100644
--- a/boot/1.0/default/android.hardware.boot@1.0-service.rc
+++ b/boot/1.0/default/android.hardware.boot@1.0-service.rc
@@ -1,4 +1,5 @@
 service vendor.boot-hal-1-0 /vendor/bin/hw/android.hardware.boot@1.0-service
+    interface android.hardware.boot@1.0::IBootControl default
     class early_hal
     user root
     group root