Extract the dynamic setting of the - PcdFlashNvStorageVariableBase64 - PcdFlashNvStorageFtwWorkingBase - PcdFlashNvStorageFtwSpareBase addresses to a helper function. For now, the helper function is identical (duplicated) between the SMM flash driver and the runtime DXE flash driver. In subsequent patches, this will change. Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Philippe Mathieu-Daudé <philmd@redhat.com> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=386 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Message-Id: <20200310222739.26717-3-lersek@redhat.com> Acked-by: Leif Lindholm <leif@nuviainc.com>