src/libdt.c:97:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
                        printf(data);
                               ^~~~
src/libdt.c:2241:5: warning: data argument not used by format string [-Wformat-extra-args]
                                node->full_name);
                                ^
src/libdt.c:2248:54: warning: more '%' conversions than data arguments [-Wformat]
                fprintf(stderr, "%s: no 'label' property found in %s\n", partition_node->full_name);
                                                                  ~^

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>