Rename function s/tbf_alloc_ul/tbf_alloc_ul_pacch/

Change-Id: I70ca0b5be0a29a05c6e65b9c92cc6d3b5c43d3dc
diff --git a/src/tbf_ul.cpp b/src/tbf_ul.cpp
index c41793d..cf8c75c 100644
--- a/src/tbf_ul.cpp
+++ b/src/tbf_ul.cpp
@@ -141,7 +141,7 @@
 }
 
 /* Alloc a UL TBF to be assigned over PACCH */
-gprs_rlcmac_ul_tbf *tbf_alloc_ul(struct gprs_rlcmac_bts *bts, GprsMs *ms, int8_t use_trx,
+gprs_rlcmac_ul_tbf *tbf_alloc_ul_pacch(struct gprs_rlcmac_bts *bts, GprsMs *ms, int8_t use_trx,
 				 uint32_t tlli)
 {
 	struct gprs_rlcmac_ul_tbf *tbf;