ALSA: hdspm: fix spelling mistake "Externel" -> "External"

Trivial fix to spelling mistake in dev_warn message.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Colin Ian King 2016-08-22 12:50:02 +01:00 • committed by Takashi Iwai
commit 07cb3272af