stm32/modmachine: Move dht_readinto() to the machine module.

ports/stm32/modmachine.c

@@ -32,6 +32,7 @@
 #include "py/runtime.h"
 #include "py/mperrno.h"
 #include "py/mphal.h"
+#include "drivers/dht/dht.h"
 #include "extmod/machine_bitstream.h"
 #include "extmod/machine_mem.h"
 #include "extmod/machine_signal.h"
@@ -412,6 +413,7 @@ STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
     #if MICROPY_PY_MACHINE_PULSE
     { MP_ROM_QSTR(MP_QSTR_time_pulse_us),       MP_ROM_PTR(&machine_time_pulse_us_obj) },
     #endif
+    { MP_ROM_QSTR(MP_QSTR_dht_readinto),        MP_ROM_PTR(&dht_readinto_obj) },
 
     { MP_ROM_QSTR(MP_QSTR_mem8),                MP_ROM_PTR(&machine_mem8_obj) },
     { MP_ROM_QSTR(MP_QSTR_mem16),               MP_ROM_PTR(&machine_mem16_obj) },

ports/stm32/modpyb.c

@@ -30,7 +30,6 @@
 #include "py/runtime.h"
 #include "py/mphal.h"
 #include "shared/runtime/pyexec.h"
-#include "drivers/dht/dht.h"
 #include "stm32_it.h"
 #include "irq.h"
 #include "led.h"
@@ -191,9 +190,6 @@ STATIC const mp_rom_map_elem_t pyb_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_mount), MP_ROM_PTR(&mp_vfs_mount_obj) },
     #endif
 
-    // This function is not intended to be public and may be moved elsewhere
-    { MP_ROM_QSTR(MP_QSTR_dht_readinto), MP_ROM_PTR(&dht_readinto_obj) },
-
     { MP_ROM_QSTR(MP_QSTR_Timer), MP_ROM_PTR(&pyb_timer_type) },
 
     #if MICROPY_HW_ENABLE_RNG