feat(asm): emit the riscv64 local-exec TLS sequence

Assisted-by: GLM 5.3

asm/riscv_compressed_test.go

@@ -88,7 +88,7 @@ func TestRISCVCompressedRange(t *testing.T) {
 	asmOne := func(t *testing.T, stmt string) error {
 		t.Helper()
 		fn := firstTextRISCV(t, "#include \"textflag.h\"\nTEXT ·c(SB), NOSPLIT, $0\n\t"+stmt+"\n\tRET\n")
-		_, _, _, _, _, _, err := assembleRISCV(fn)
+		_, _, _, _, _, _, err := assembleRISCV(fn, nil)
 		return err
 	}
 	for _, s := range []string{