[ALSA] Add 'const' to files in pci/ice1712/

Mark a lot of data as 'const'
Signed-of-by: Philipp Matthias Hahn <pmhahn@pmhahn.de>

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/ice1712/ice1712.h b/sound/pci/ice1712/ice1712.h
index 064542b..c3d9fea 100644
--- a/sound/pci/ice1712/ice1712.h
+++ b/sound/pci/ice1712/ice1712.h
@@ -514,8 +514,8 @@
 	unsigned int mpu401_2_info_flags;
 	const char *mpu401_1_name;
 	const char *mpu401_2_name;
-	unsigned int eeprom_size;
-	unsigned char *eeprom_data;
+	const unsigned int eeprom_size;
+	const unsigned char *eeprom_data;
 };