Move templates from GSUP_Types.ttcn to GSUP_Templates.ttcn

Follow similar structure that we have for other protocols.

Change-Id: I54cc8c99d1e91d57c3d5a92f6529ef2055e9d4ed
diff --git a/library/IPA_Emulation.ttcnpp b/library/IPA_Emulation.ttcnpp
index 7a8e8d6..07fefe5 100644
--- a/library/IPA_Emulation.ttcnpp
+++ b/library/IPA_Emulation.ttcnpp
@@ -44,6 +44,7 @@
 
 #ifdef IPA_EMULATION_GSUP
 import from GSUP_Types all;
+import from GSUP_Templates all;
 #endif
 
 #ifdef IPA_EMULATION_RSPRO