Add drivers to module and make start/stop optional (#580)

Drivers/pdm-mic-module/source/module.cpp

@@ -1,5 +1,4 @@
 // SPDX-License-Identifier: Apache-2.0
-#include <tactility/check.h>
 #include <tactility/driver.h>
 #include <tactility/module.h>
 
@@ -7,24 +6,17 @@ extern "C" {
 
 extern Driver pdm_mic_driver;
 
-static error_t start() {
-    check(driver_construct_add(&pdm_mic_driver) == ERROR_NONE);
-    return ERROR_NONE;
-}
-
-static error_t stop() {
-    check(driver_remove_destruct(&pdm_mic_driver) == ERROR_NONE);
-    return ERROR_NONE;
-}
+static Driver* const pdm_mic_drivers[] = {
+    &pdm_mic_driver,
+    nullptr
+};
 
 extern const ModuleSymbol pdm_mic_module_symbols[];
 
 Module pdm_mic_module = {
     .name = "pdm_mic",
-    .start = start,
-    .stop = stop,
+    .drivers = pdm_mic_drivers,
     .symbols = pdm_mic_module_symbols,
-    .internal = nullptr
 };
 
 }