Revised/recompiled BCM driver backported from Asus GPL 3.0.0.4.220
VLAN: Correct ID for RT-N66 allowing VLAN and tagged network.
Add support for newer flash chips in latest RT-N66U hardware revision
https://github.com/RMerl/asuswrt-merlin/commit/3504e69e3e037368c3f65f47ca5aa30e8783f382
Typo in my previous patch for RT-N66U new hardware revision compatibility with Tomato
Allow WNR3500Lv2 to upgrade from Web interface

Ignore error from erase IOCTL, image subsequently writes correctly.
Try to reduce some file sizes