disas/riscv Fix ctzw disassemble

Due to typo in opcode list, ctzw is disassembled as clzw instruction.

Signed-off-by: Ivan Klokov <ivan.klokov@syntacore.com>
Fixes: 02c1b569a15b ("disas/riscv: Add Zb[abcs] instructions")
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20230217151459.54649-1-ivan.klokov@syntacore.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
diff --git a/disas/riscv.c b/disas/riscv.c
index ddda687..54455aa 100644
--- a/disas/riscv.c
+++ b/disas/riscv.c
@@ -1645,7 +1645,7 @@
     { "max", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
     { "maxu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
     { "clzw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
-    { "clzw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
+    { "ctzw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
     { "cpopw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
     { "slli.uw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
     { "add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },