linux-phytec-ti

iwlegacy: fix spelling mistake "acumulative" -> "accumulative"

fix spelling mistake in rx stats text

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>