bts_features: add feature for BCCH carrier power reduction mode

Change-Id: I69283b3f35988fc7a1a1dcf1a1ad3b67f08ec716
Related: SYS#4919
diff --git a/src/gsm/bts_features.c b/src/gsm/bts_features.c
index 6e63d5c..6671946 100644
--- a/src/gsm/bts_features.c
+++ b/src/gsm/bts_features.c
@@ -45,6 +45,7 @@
 	{ BTS_FEAT_CCN,			"Cell Change Notification (CCN)" },
 	{ BTS_FEAT_VAMOS,		"VAMOS (Voice services over Adaptive Multi-user channels on One Slot)" },
 	{ BTS_FEAT_ABIS_OSMO_PCU,	"OsmoPCU over OML link IPA multiplex" },
+	{ BTS_FEAT_BCCH_POWER_RED,	"BCCH carrier power reduction mode" },
 	{ 0, NULL }
 };
 
@@ -77,5 +78,6 @@
 	{ BTS_FEAT_CCN, "CCN" },
 	{ BTS_FEAT_VAMOS, "VAMOS" },
 	{ BTS_FEAT_ABIS_OSMO_PCU, "ABIS_OSMO_PCU" },
+	{ BTS_FEAT_BCCH_POWER_RED, "BCCH_PWR_RED" },
 	{}
 };