Initial InfiniSim project

sim/nrfx/hal/nrf_rtc.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#include "portmacro_cmsis.h"
+
+// normal version has pointer to register 'NRF_RTC_Type * p_reg', but we just simulate
+// the return value according to known register pointer
+uint32_t nrf_rtc_counter_get(NRF_RTC_Type p_reg);