re PR inline-asm/93202 ([RISCV] ICE when using inline asm 'h' operand modifier)

re PR inline-asm/93202 ([RISCV] ICE when using inline asm 'h' operand modifier)

	PR inline-asm/93202
	* config/riscv/riscv.c (riscv_print_operand_reloc): Use
	output_operand_lossage instead of gcc_unreachable.
	* doc/md.texi (riscv f constraint): Fix typo.

	* gcc.target/riscv/pr93202.c: New test.

From-SVN: r280030