D-Link DIR-810L appears to have incorrect Flash size

While researching the Trendnet TEW-810DR, I found that it has the same specs and flash memory as the D-Link. The Flash chip is actually 16MiB on both the D-Link and Trendnet. The information sources are documented in the prior post:
https://forum.openwrt.org/t/trendnet-tew-810dr-build-using-d-link-dir-810l-as-template/55646