RISC-V: Fix vsetvl pass ICE

RISC-V: Fix vsetvl pass ICE

This patch fix pr111234 (a vsetvl pass ICE) when fuse a mask any
vlmax vsetvl_vtype_change_only insn with a mu vsetvl insn.

	PR target/111234

gcc/ChangeLog:

	* config/riscv/riscv-vsetvl.cc (gen_vsetvl_pat): Remove condition.

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/rvv/vsetvl/pr111234.c: New test.