Add hcal digits monitoring

Add monitoring of HCAL digits to monitor_calo_digits.

Hlt/RecoConf/python/RecoConf/calo_data_monitoring.py

@@ -40,4 +40,12 @@ def monitor_calo_digits(calo):
         HistoEtMax=5. * GeV,
         HistoSizeMax=30,
     )
-    return ecal_digit_moni
+    hcal_digit_moni = CaloFutureDigitMonitor(
+        name="DigitMonitorHcalClusters",
+        Input=calo["digitsHcal"],
+        HistoMultiplicityMax=400,
+        HistoEtMax=5. * GeV,
+        HistoSizeMax=30,
+    )
+
+    return [ecal_digit_moni, hcal_digit_moni]