refactor(tool): Fix Clang/GCC build warnings
- verify/generate - int32_t/int64_t conversion warnings
- refmodel - deprecation, double function used for integers and conversion warnings
- cfloat - implicit truncation to storage format and conversion from unsigned to signed
- serialization - double conversion warning, lambda function
Signed-off-by: Jeremy Johnson jeremy.johnson@arm.com
Edited by Jeremy Johnson