fix compile warning as following: nist-sts/sts/src/cusum.c:15:23: warning: 'zerv' may be used uninitialized in this function[-Werror=maybe-uninitialized] Signed-off-by: makejian <makejian@xiaomi.com>
(1)add nist-sts init nuttx (2)Fix possible memory bug (3)Fix double free memory Signed-off-by: makejian <makejian@xiaomi.com>