make gsup ipa name configurable in osmo-msc.cfg

Add a 'ipa-name' VTY command which overrides the default IPA name
used by the MSC. This is a prerequisite for inter-MSC handover.

Related: OS#3355
Change-Id: I317d6c59f77e92fbb2b875a83dc0ec2fa5cb6006
diff --git a/tests/msc_vlr/msc_vlr_test_hlr_reject.err b/tests/msc_vlr/msc_vlr_test_hlr_reject.err
index efc3a8d..1b85a2d 100644
--- a/tests/msc_vlr/msc_vlr_test_hlr_reject.err
+++ b/tests/msc_vlr/msc_vlr_test_hlr_reject.err
@@ -1,5 +1,5 @@
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 12
+talloc_total_blocks(tall_bsc_ctx) == 13
 
 ===== test_hlr_rej_auth_info_unknown_imsi
 - Location Update request causes a GSUP Send Auth Info request to HLR
@@ -79,7 +79,7 @@
 ===== test_hlr_rej_auth_info_unknown_imsi: SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 12
+talloc_total_blocks(tall_bsc_ctx) == 13
 
 ===== test_hlr_rej_auth_info_net_fail
 - Location Update request causes a GSUP Send Auth Info request to HLR
@@ -159,7 +159,7 @@
 ===== test_hlr_rej_auth_info_net_fail: SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 12
+talloc_total_blocks(tall_bsc_ctx) == 13
 
 ===== test_hlr_rej_auth_info_net_fail_reuse_tuples
 ---
@@ -456,7 +456,7 @@
 ===== test_hlr_rej_auth_info_net_fail_reuse_tuples: SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 12
+talloc_total_blocks(tall_bsc_ctx) == 13
 
 ===== test_hlr_rej_auth_info_net_fail_no_reuse_tuples
 ---
@@ -685,7 +685,7 @@
 ===== test_hlr_rej_auth_info_net_fail_no_reuse_tuples: SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 12
+talloc_total_blocks(tall_bsc_ctx) == 13
 
 ===== test_hlr_rej_auth_info_unkown_imsi_no_reuse_tuples
 ---
@@ -915,7 +915,7 @@
 ===== test_hlr_rej_auth_info_unkown_imsi_no_reuse_tuples: SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 12
+talloc_total_blocks(tall_bsc_ctx) == 13
 
 ===== test_hlr_acc_but_no_auth_tuples
 - Location Update request causes a GSUP Send Auth Info request to HLR
@@ -994,7 +994,7 @@
 ===== test_hlr_acc_but_no_auth_tuples: SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 12
+talloc_total_blocks(tall_bsc_ctx) == 13
 
 ===== test_hlr_rej_lu
 - Location Update request causes a GSUP LU request to HLR
@@ -1076,7 +1076,7 @@
 ===== test_hlr_rej_lu: SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 12
+talloc_total_blocks(tall_bsc_ctx) == 13
 
 ===== test_hlr_no_insert_data
 - Location Update request causes a GSUP LU request to HLR
@@ -1173,8 +1173,8 @@
 ===== test_hlr_no_insert_data: SUCCESS
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 12
+talloc_total_blocks(tall_bsc_ctx) == 13
 
 full talloc report on 'msgb' (total      0 bytes in   1 blocks)
-talloc_total_blocks(tall_bsc_ctx) == 12
+talloc_total_blocks(tall_bsc_ctx) == 13