external/mbedtls: Modify a typo of MBED_TIZENRT
Change MBED_TIZNERT to MBED_TIZENRT
@@ -330,7 +330,7 @@ static void sighandler( int signum )
void mbedtls_set_alarm( int seconds )
{
-#if !defined(MBED_TIZNERT)
+#if !defined(MBED_TIZENRT)
mbedtls_timing_alarmed = 0;
signal( SIGALRM, sighandler );
alarm( seconds );
