pcu_sock: use is_ericsson_bts() to check for ericsson BTS

Do not access bts->type directly, we have is_ericsson_bts() to do that

Related: OS#5198
Change-Id: I274a9f0f1208dc17713ba2e1c7a1110eeb133cca
---
M src/osmo-bsc/pcu_sock.c
1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/osmo-bsc/pcu_sock.c b/src/osmo-bsc/pcu_sock.c
index b6e626d..453d5a7 100644
--- a/src/osmo-bsc/pcu_sock.c
+++ b/src/osmo-bsc/pcu_sock.c
@@ -573,7 +573,7 @@
 		 * assign downlink TBFs directly through the paging channel. However, this method never became part
 		 * of the RSL specs. This means that each BTS vendor has to come up with a proprietary method. At
 		 * the moment we only support Ericsson RBS here. */
-		if (bts->type == GSM_BTS_TYPE_RBS2000) {
+		if (is_ericsson_bts(bts)) {
 			rc = rsl_ericsson_imm_assign_cmd(bts, pch_dt->tlli, sizeof(pch_dt->data),
 							 pch_dt->data, pag_grp);
 		} else {

