Allow VTY-based configuration of T3105

This timer will only be forwarded to BS11 and Ericsson Abis so far,
not to Nokia and ip.access BTS yet.
diff --git a/openbsc/src/libbsc/bts_nokia_site.c b/openbsc/src/libbsc/bts_nokia_site.c
index cb1a9d5..b2749b5 100644
--- a/openbsc/src/libbsc/bts_nokia_site.c
+++ b/openbsc/src/libbsc/bts_nokia_site.c
@@ -541,13 +541,13 @@
 	/* ID = 0x02 (T3105_F) */
 	/* length = 2 */
 	/* [16] */
-	0x00, 0x28,
+	0x00, 0x28, /* FIXME: use net->T3105 */
 
 	0x50, 0x02,
 	/* ID = 0x10 (T3105_D) */
 	/* length = 2 */
 	/* [20] */
-	0x00, 0x28,
+	0x00, 0x28, /* FIXME: use net->T3105 */
 
 	0x43, 0x05,
 	/* ID = 0x03 (Interference band limits) */