om2k: Add VTY command to allow TX of arbitrary message for testing

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Change-Id: I5a385614fc670946f83ea79cc176c2d448675672
diff --git a/include/osmocom/bsc/abis_om2000.h b/include/osmocom/bsc/abis_om2000.h
index 163a49c..0d48c0c 100644
--- a/include/osmocom/bsc/abis_om2000.h
+++ b/include/osmocom/bsc/abis_om2000.h
@@ -113,6 +113,7 @@
 int abis_om2k_tx_op_info(struct gsm_bts *bts, const struct abis_om2k_mo *mo,
 			 uint8_t operational);
 int abis_om2k_tx_cap_req(struct gsm_bts *bts, const struct abis_om2k_mo *mo);
+int abis_om2k_tx_arb(struct gsm_bts *bts, struct abis_om2k_mo *mo, uint16_t req, uint8_t *buf, int buf_len);
 int abis_om2k_tx_is_conf_req(struct gsm_bts *bts);
 int abis_om2k_tx_con_conf_req(struct gsm_bts *bts);
 int abis_om2k_tx_tf_conf_req(struct gsm_bts *bts);