Add and use compatible scenario when testing IPA dynts with nanoBTS

nanoBTS doesn't support SDCCH8 in TS!=1 according to osmo-bsc code.
Let's use in this case TCH/H to make sure they are not used for the test
(since we require osmo-bsc to use full rate codecs for the call).

Change-Id: I37f3fe813d4074fbfe64ff3176048e7d25d470e2
diff --git a/example/default-suites.conf b/example/default-suites.conf
index 07b8a5f..5ba36e1 100644
--- a/example/default-suites.conf
+++ b/example/default-suites.conf
@@ -106,7 +106,7 @@
 - gprs:nanobts+band-1900
 - gprs:nanobts+band-1900+mod-bts0-egprs
 - gprs:nanobts+band-1900+mod-bts0-dynts-ipa
-- dynts:nanobts+band-1900+mod-bts0-dynts67-ipa+cfg-codec-fr-any
+- dynts:nanobts+band-1900+mod-bts0-dynts67-ipa-compat-nanobts+cfg-codec-fr-any
 
 - sms:nanobts+band-900
 - nitb_ussd:nanobts+band-900
@@ -121,7 +121,7 @@
 - gprs:nanobts+band-900+mod-bts0-egprs
 - gprs:nanobts+band-900+mod-bts0-dynts-ipa
 - gprs:nanobts+band-900+mod-bts0-numtrx2+mod-bts0-chanallocdescend
-- dynts:nanobts+band-900+mod-bts0-dynts67-ipa+cfg-codec-fr-any
+- dynts:nanobts+band-900+mod-bts0-dynts67-ipa-compat-nanobts+cfg-codec-fr-any
 
 - nitb_smpp
 - smpp