creport: fix various issues, improve support (closes #187)

-Fixes a NULL deref in thread info parsing
-Heuristically uses [<buildid>] instead of rodata contents if NSO has no
name segment
-Adds full thread/code region dump for all firmwares, instead of just
5.x.

stratosphere/creport/source/creport_code_info.hpp

@@ -25,6 +25,6 @@ class CodeList {
         void SaveToFile(FILE *f_report);
     private:
         bool TryFindCodeRegion(Handle debug_handle, u64 guess, u64 *address);
-        void GetCodeInfoName(u64 debug_handle, u64 ro_address, char *name);
+        void GetCodeInfoName(u64 debug_handle, u64 rx_address, u64 ro_address, char *name);
         void GetCodeInfoBuildId(u64 debug_handle, u64 ro_address, u8 *build_id);
 };