[ALSA] add MODULE_FIRMWARE entries

Add MODULE_FIRMWARE() entries, where appropriate.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/echoaudio/gina20.c b/sound/pci/echoaudio/gina20.c
index af4d320..fee2d48 100644
--- a/sound/pci/echoaudio/gina20.c
+++ b/sound/pci/echoaudio/gina20.c
@@ -60,6 +60,8 @@
 #include <asm/atomic.h>
 #include "echoaudio.h"
 
+MODULE_FIRMWARE("ea/gina20_dsp.fw");
+
 #define FW_GINA20_DSP	0
 
 static const struct firmware card_fw[] = {