Add support for requesting the current LED config
Add support for requesting the current LED config

HID code by Denis Pynkin <denis.pynkin@collabora.com>

At the abstraction layer we provide both a way of asking for the config
for a specific zone and to reques the whole configuration, as some mice
are likely to have a single command that returns everything, so we give
them the ability to optimize.

google/peripheral-customization-pwa,google/peripheral-customization-pwa,google/peripheral-customization-pwa,google/peripheral-customization-pwa