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/bsc_vty.c b/openbsc/src/libbsc/bsc_vty.c
index e6d2327..cacc6b0 100644
--- a/openbsc/src/libbsc/bsc_vty.c
+++ b/openbsc/src/libbsc/bsc_vty.c
@@ -1355,7 +1355,7 @@
 
 DECLARE_TIMER(3101, "Set the timeout value for IMMEDIATE ASSIGNMENT.\n")
 DECLARE_TIMER(3103, "Set the timeout value for HANDOVER.\n")
-DECLARE_TIMER(3105, "Currently not used.\n")
+DECLARE_TIMER(3105, "Set the timer for repetition of PHYSICAL INFORMATION.\n")
 DECLARE_TIMER(3107, "Currently not used.\n")
 DECLARE_TIMER(3109, "Currently not used.\n")
 DECLARE_TIMER(3111, "Set the RSL timeout to wait before releasing the RF Channel.\n")