fix fake and tizen platform test errors

Author: chaitanya jandhyala

src/platform/Tizen/DeviceInstanceInfoProviderImpl.cpp

@@ -33,5 +33,17 @@ CHIP_ERROR DeviceInstanceInfoProviderImpl::GetProductId(uint16_t & productId)
     return Internal::PosixConfig::ReadConfigValue(Internal::PosixConfig::kConfigKey_ProductId, productId);
 }
 
+CHIP_ERROR DeviceInstanceInfoProviderImpl::GetVendorName(char * buf, size_t bufSize)
+{
+    size_t vendorNameLen = 0;
+    return Internal::PosixConfig::ReadConfigValueStr(Internal::PosixConfig::kConfigKey_VendorName, buf, bufSize, vendorNameLen);
+}
+
+CHIP_ERROR DeviceInstanceInfoProviderImpl::GetProductName(char * buf, size_t bufSize)
+{
+    size_t productNameLen = 0;
+    return Internal::PosixConfig::ReadConfigValueStr(Internal::PosixConfig::kConfigKey_ProductName, buf, bufSize, productNameLen);
+}
+
 } // namespace DeviceLayer
 } // namespace chip

src/platform/Tizen/DeviceInstanceInfoProviderImpl.h

@@ -34,6 +34,8 @@ class DeviceInstanceInfoProviderImpl : public Internal::GenericDeviceInstanceInf
 public:
     CHIP_ERROR GetVendorId(uint16_t & vendorId) override;
     CHIP_ERROR GetProductId(uint16_t & productId) override;
+    CHIP_ERROR GetVendorName(char * buf, size_t bufSize) override;
+    CHIP_ERROR GetProductName(char * buf, size_t bufSize) override;
 
     DeviceInstanceInfoProviderImpl(ConfigurationManagerImpl & configManager) :
         Internal::GenericDeviceInstanceInfoProvider<Internal::PosixConfig>(configManager)

src/platform/fake/ConfigurationManagerImpl.h

@@ -50,6 +50,10 @@ class ConfigurationManagerImpl : public ConfigurationManager
     CHIP_ERROR GetSoftwareVersion(uint32_t & softwareVer) override { return CHIP_ERROR_NOT_IMPLEMENTED; }
     CHIP_ERROR StoreSoftwareVersion(uint32_t softwareVer) override { return CHIP_ERROR_NOT_IMPLEMENTED; }
     CHIP_ERROR StoreSerialNumber(CharSpan serialNumber) override { return CHIP_ERROR_NOT_IMPLEMENTED; }
+    CHIP_ERROR StoreVendorName(CharSpan vendorName) override { return CHIP_ERROR_NOT_IMPLEMENTED; }
+    CHIP_ERROR StoreProductName(CharSpan productName) override { return CHIP_ERROR_NOT_IMPLEMENTED; }
+    CHIP_ERROR StoreHardwareVersionString(CharSpan hardwareVersionString) override { return CHIP_ERROR_NOT_IMPLEMENTED; }
+    CHIP_ERROR StoreSoftwareVersionString(CharSpan softwareVersionString) override { return CHIP_ERROR_NOT_IMPLEMENTED; }
     CHIP_ERROR GetPrimaryMACAddress(MutableByteSpan buf) override { return CHIP_ERROR_NOT_IMPLEMENTED; }
     CHIP_ERROR GetPrimaryWiFiMACAddress(uint8_t * buf) override { return CHIP_ERROR_NOT_IMPLEMENTED; }
     CHIP_ERROR GetPrimary802154MACAddress(uint8_t * buf) override { return CHIP_ERROR_NOT_IMPLEMENTED; }