stats: Report per channel type load to statsd counters.

Change-Id: I2eac4c93061204aeb8f3d223f7e78158c61c7156
diff --git a/include/osmocom/bsc/gsm_data.h b/include/osmocom/bsc/gsm_data.h
index 3fd466c..ecc1f0a 100644
--- a/include/osmocom/bsc/gsm_data.h
+++ b/include/osmocom/bsc/gsm_data.h
@@ -1453,6 +1453,22 @@
 
 enum {
 	BTS_STAT_CHAN_LOAD_AVERAGE,
+	BTS_STAT_CHAN_CCCH_SDCCH4_USED,
+	BTS_STAT_CHAN_CCCH_SDCCH4_TOTAL,
+	BTS_STAT_CHAN_TCH_F_USED,
+	BTS_STAT_CHAN_TCH_F_TOTAL,
+	BTS_STAT_CHAN_TCH_H_USED,
+	BTS_STAT_CHAN_TCH_H_TOTAL,
+	BTS_STAT_CHAN_SDCCH8_USED,
+	BTS_STAT_CHAN_SDCCH8_TOTAL,
+	BTS_STAT_CHAN_TCH_F_PDCH_USED,
+	BTS_STAT_CHAN_TCH_F_PDCH_TOTAL,
+	BTS_STAT_CHAN_CCCH_SDCCH4_CBCH_USED,
+	BTS_STAT_CHAN_CCCH_SDCCH4_CBCH_TOTAL,
+	BTS_STAT_CHAN_SDCCH8_CBCH_USED,
+	BTS_STAT_CHAN_SDCCH8_CBCH_TOTAL,
+	BTS_STAT_CHAN_TCH_F_TCH_H_PDCH_USED,
+	BTS_STAT_CHAN_TCH_F_TCH_H_PDCH_TOTAL,
 	BTS_STAT_T3122,
 	BTS_STAT_RACH_BUSY,
 	BTS_STAT_RACH_ACCESS,