Prevent warnings about some unused parameters in pico_stdio_usb when building with -Wextra#431

Merged

kilograham merged 3 commits intoraspberrypi:developfrom

jonathangjertsen:fix-unused-warnings

May 24, 2021

Commits on May 22, 2021

Fix warnings about some unused parameters in pico_stdio_usb
jonathangjertsen
committed

Commits on May 23, 2021

Use `__unused` for the unused parameter in tud_descriptor_configuration_cb
jonathangjertsen
committed
Remove redundant inclusions of `pico/platform.h`
jonathangjertsen
committed