RISC-V: Fix *sge<u>_<X:mode><GPR:mode> pattern

*sge<u>_<X:mode><GPR:mode> pattern has referenced operand[2] which is
invalid...it should just use `slti<u>` rather than `slti%i2<u>`.

gcc/ChangeLog:

	PR target/106543
	* config/riscv/riscv.md (*sge<u>_<X:mode><GPR:mode>): Fix asm
	pattern.