[RISCV] Set the vector calling convention if any of input type or return type is vector

[4vtomat]

Summary

Add an option to deduce vector calling convention(default false).
If the option is set to 'true', once any of input type or return
type is vector, the vector calling convention would be turned on.

Depends on D154576

[4vtomat]

Add an option to deduce vector cc(default off).

[4vtomat]

Update commit message.