bts: add send_gsmtap_rach(), also send PTCCH/U over GSMTAP

Change-Id: I5cc4c3d2522215a31924121f83fcc2ac9ac6fe9c
diff --git a/src/pcu_vty.c b/src/pcu_vty.c
index 9cae777..99c92b7 100644
--- a/src/pcu_vty.c
+++ b/src/pcu_vty.c
@@ -38,6 +38,7 @@
 	{ PCU_GSMTAP_C_UL_DATA_GPRS,	"ul-data-gprs" },
 	{ PCU_GSMTAP_C_UL_DATA_EGPRS,	"ul-data-egprs" },
 	{ PCU_GSMTAP_C_UL_RACH,		"ul-rach" },
+	{ PCU_GSMTAP_C_UL_PTCCH,	"ul-ptcch" },
 
 	{ 0, NULL }
 };
@@ -58,6 +59,7 @@
 	{ PCU_GSMTAP_C_UL_DATA_GPRS,	"Uplink Data Blocks (GPRS)" },
 	{ PCU_GSMTAP_C_UL_DATA_EGPRS,	"Uplink Data Blocks (EGPRS)" },
 	{ PCU_GSMTAP_C_UL_RACH,		"Uplink RACH Bursts" },
+	{ PCU_GSMTAP_C_UL_PTCCH,	"Uplink PTCCH Bursts" },
 
 	{ 0, NULL }
 };