reset cause stub for other archs

firmware/hw_layer/ports/at32/at32_common.cpp

@@ -183,4 +183,12 @@ EXTERNC int getRemainingStack(thread_t *otp) {
 __attribute__((weak)) void boardPrepareForStandby() {
 }
 
+Reset_Cause_t getMCUResetCause() {
+	return Reset_Cause_Unknown;
+}
+
+const char *getMCUResetCause(Reset_Cause_t) {
+	return "Unknown";
+}
+
 #endif /* EFI_PROD_CODE */

firmware/hw_layer/ports/cypress/mpu_util.cpp

@@ -309,4 +309,12 @@ adcsample_t getFastAdc(FastAdcToken token) {
 	return 0;
 }
 
+Reset_Cause_t getMCUResetCause() {
+	return Reset_Cause_Unknown;
+}
+
+const char *getMCUResetCause(Reset_Cause_t) {
+	return "Unknown";
+}
+
 #endif /* EFI_PROD_CODE */

firmware/hw_layer/ports/kinetis/mpu_util.cpp

@@ -315,4 +315,12 @@ adcsample_t getFastAdc(FastAdcToken token) {
 	return 0;
 }
 
+Reset_Cause_t getMCUResetCause() {
+	return Reset_Cause_Unknown;
+}
+
+const char *getMCUResetCause(Reset_Cause_t) {
+	return "Unknown";
+}
+
 #endif /* EFI_PROD_CODE */

simulator/simulator/mpu_util.h

@@ -10,4 +10,12 @@ static void canHwInfo(CANDriver*) { return; }
 static bool allowFlashWhileRunning() { return true; }
 static void causeHardFault() { }
 
+static Reset_Cause_t getMCUResetCause() {
+	return Reset_Cause_Unknown;
+}
+
+static const char *getMCUResetCause(Reset_Cause_t) {
+	return "Unknown";
+}
+
 #include "sim_watchdog.h"