Add tests for "vmf{eq,ne,ge,gt,le,lt}"

1. Define reference codes (softrvv) for them
- located in "softrvv/include/"
2. Modify template files
3. Add test genreation rules for them in the CMake file
- all generated codes are tested with "m springbok && ctest --verbose -R ..."
4. Remove unnecessary header files in "softrvv/include/softrvv_vms*.h"

Change-Id: Ifa6554358e74e2e67c6e617f94ad36d293fdd2b3
17 files changed