pcuif_proto: cosmetic: rename gsm_pcu_if_info_ts to gsm_pcu_if_info_trx_ts

The struct gsm_pcu_if_info_ts is named "gsm_pcu_if_info_trx_ts" in
osmo-bts. Lets rename it since the definition in osmo-bts is newer.

Change-Id: If8b50181d3b609612aa8433b635052aadddd3484
diff --git a/src/pcu_l1_if.cpp b/src/pcu_l1_if.cpp
index c1271a4..810ce85 100644
--- a/src/pcu_l1_if.cpp
+++ b/src/pcu_l1_if.cpp
@@ -862,7 +862,7 @@
 		}
 
 		for (ts_nr = 0; ts_nr < ARRAY_SIZE(bts->trx[0].pdch); ts_nr++) {
-			const struct gsm_pcu_if_info_ts *its = &info_ind->trx[trx_nr].ts[ts_nr];
+			const struct gsm_pcu_if_info_trx_ts *its = &info_ind->trx[trx_nr].ts[ts_nr];
 			struct gprs_rlcmac_pdch *pdch = &bts->trx[trx_nr].pdch[ts_nr];
 			if ((info_ind->trx[trx_nr].pdch_mask & (1 << ts_nr))) {
 				/* FIXME: activate dynamically at RLCMAC */