tree df67ec43ef1272e0e66f6a32bd4ca98ff3610842
parent 8a8e9e1dfe37c067b8630d60c02cf28d14bdd983
author Johann Fischer <johann.fischer@nordicsemi.no> 1684768518 +0200
committer Anas Nashif <anas.nashif@intel.com> 1685108899 -0400

usb: device_next: allow string descriptor index to be updated

Support for multiple instances of a class implementation,
and the ability to register an instance to a configuration
at runtime, requires a mechanism to add a string descriptor
and update its index based on the total number of descriptors.

We also need to handle some special string descriptors like
Product or Serial Number provided by the application.
Marked as such by using specific macros, these descriptors
can be sorted out by the stack and the device descriptor
indexes are updated automatically.

Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>