use osmo_rat_type from libosmocore

Replace locally defined enum ran_type with libosmocore's new enum
osmo_rat_type, and value_string ran_type_names with osmo_rat_type_names.

The string representations change, which has cosmetic effects on the test suite
expectations.

Depends: I659687aef7a4d67ca372a39fef31dee07aed7631 (libosmocore)
Change-Id: I2c78c265dc99df581e1b00e563d6912c7ffdb36b
diff --git a/tests/msc_vlr/msc_vlr_test_ms_timeout.c b/tests/msc_vlr/msc_vlr_test_ms_timeout.c
index b09bcee..3702a0c 100644
--- a/tests/msc_vlr/msc_vlr_test_ms_timeout.c
+++ b/tests/msc_vlr/msc_vlr_test_ms_timeout.c
@@ -190,7 +190,7 @@
 	struct vlr_subscr *vsub;
 	const char *imsi = "901700000004620";
 
-	rx_from_ran = RAN_GERAN_A;
+	rx_from_ran = OSMO_RAT_GERAN_A;
 
 	comment_start();