emulation on host: Add missing ESP.*() mocking methods to EspClass. (#5765)

tests/host/common/MockEsp.cpp

@@ -105,6 +105,40 @@ uint32_t EspClass::getFreeHeap()
 	return 30000;
 }
 
+String EspClass::getResetReason()
+{
+  return "Power on";
+}
+
+uint32_t EspClass::getFreeSketchSpace()
+{
+  return 4 * 1024 * 1024;
+}
+
+uint8_t EspClass::getCpuFreqMHz()
+{
+  return 160;
+}
+
+const char *EspClass::getSdkVersion()
+{
+  return "2.5.0";
+}
+
+uint32_t EspClass::getFlashChipSpeed()
+{
+  return 40;
+}
+
+void EspClass::getHeapStats(uint32_t* hfree, uint16_t* hmax, uint8_t* hfrag) {
+  uint32_t hf = 10 * 1024;
+  float hm = 1 * 1024;
+
+  if (hfree) *hfree = hf;
+  if (hmax) *hmax = hm;
+  if (hfrag) *hfrag = 100 - (sqrt(hm) * 100) / hf;
+}
+
 bool EspClass::flashEraseSector(uint32_t sector)
 {
 	return true;