Some fixes to ensure compatibility of arduino branch with stm32 features

src/devices/arduino/time.cpp

@@ -1,16 +1,17 @@
-#include <sta/devices/arduino/time.hpp>
+#include <sta/time.hpp>
 
+#include <sta/config.hpp>
 #ifdef STA_PLATFORM_ARDUINO
 #include <sta/devices/arduino/hal.hpp>
 
 namespace sta
 {
-    uint32_t now()
+    uint32_t timeMs()
     {
         return millis();
     }
 
-    uint32_t nowUs()
+    uint32_t timeUs()
     {
         return micros();
     }