Add usbd test feature to samd21/samr21_xpro boards.
Add samr21_xpro board to integration_platforms in a few samples.
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
Convert qspi and hyperflash to variants instead of revisions by popular
demand.
And convert evkb into a revision instead of a different board.
Signed-off-by: Declan Snyder <declan.snyder@nxp.com>
With changes introduced in commit 6a3602a306
("net: buf: Clear `user_data` on allocation")
our memset() calls are redundant.
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
