target/mips: Fix TCG temporary leaks in gen_pool32a5_nanomips_insn()

Fix a pair of TCG temporary leak when translating nanoMIPS SHILO opcode.

Fixes: 3285a3e4 ("target/mips: Add emulation of DSP ASE for nanoMIPS")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210530094538.1275329-1-f4bug@amsat.org>

target/mips/tcg/translate.c

@@ -20182,6 +20182,8 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc,
             tcg_gen_movi_tl(tv0, rd >> 3);
             tcg_gen_movi_tl(tv1, imm);
             gen_helper_shilo(tv0, tv1, cpu_env);
+            tcg_temp_free(tv1);
+            tcg_temp_free(tv0);
         }
         break;
     case NM_MULEQ_S_W_PHL: