when func `nuttx_export_kconfig` is called for the second time, the expired configuration will be retained causing compilation failure Signed-off-by: xuxin19 <xuxin19@xiaomi.com>
when func `nuttx_export_kconfig` is called for the second time, the expired configuration will be retained causing compilation failure Signed-off-by: xuxin19 <xuxin19@xiaomi.com>