WiFi device maintainer expressed he prefers to use the same name for the
driver and the firmware directory[1].
Since the driver is not yet merged, the renaming does not break
anything.
[1]: https://lore.kernel.org/netdev/87sfxlj6s1.fsf@codeaurora.org/
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>