RISC-V: Support vcreate intrinsics for non-tuple types

RISC-V: Support vcreate intrinsics for non-tuple types

https://github.com/riscv-non-isa/rvv-intrinsic-doc/pull/288

gcc/ChangeLog:

	* config/riscv/riscv-vector-builtins-bases.cc: Expand non-tuple intrinsics.
	* config/riscv/riscv-vector-builtins-functions.def (vcreate): Define non-tuple intrinsics.
	* config/riscv/riscv-vector-builtins-shapes.cc (struct vcreate_def): Ditto.
	* config/riscv/riscv-vector-builtins.cc: Add arg types.

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/rvv/base/tuple_create.c: Rename to vcreate.c.
	* gcc.target/riscv/rvv/base/vcreate.c: New test.