Support chassis power cycle

A new system is being designed which will utilize phosphor-state-manager
and it requires the chassis system power cycle feature.

Test plan:
Change property "RequestedPowerTransition" to trigger
chassis power cycle target.

Change-Id: I30b0efd7c0fc72a9fb378f48e47c4c1af2b22ad6
Signed-off-by: Bonnie Lo <Bonnie_Lo@wiwynn.com>
diff --git a/target_files/meson.build b/target_files/meson.build
index 057da1b..aad5d15 100644
--- a/target_files/meson.build
+++ b/target_files/meson.build
@@ -6,6 +6,7 @@
     'obmc-chassis-poweroff@.target',
     'obmc-chassis-poweron@.target',
     'obmc-chassis-powerreset@.target',
+    'obmc-chassis-powercycle@.target',
     'obmc-fan-control-ready@.target',
     'obmc-fan-control.target',
     'obmc-fan-watchdog-takeover.target',