These flash chips are used on Google / TP-Link / ASUS OnHub devices, and
OnHub devices are write-protected by default (same as any other
ChromeOS/Chromebook system).
This patch has been submitted upstream, per the notes in the patch file.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16014
Signed-off-by: Robert Marko <robimarko@gmail.com>