[ALSA] Fix snd-usb-audio dependency on snd-hwdep.

USB


Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
diff --git a/sound/usb/Kconfig b/sound/usb/Kconfig
index 9329e99..f05d02f 100644
--- a/sound/usb/Kconfig
+++ b/sound/usb/Kconfig
@@ -6,6 +6,7 @@
 config SND_USB_AUDIO
 	tristate "USB Audio/MIDI driver"
 	depends on SND && USB
+	select SND_HWDEP
 	select SND_RAWMIDI
 	select SND_PCM
 	help