ALSA: Add missing module parameters for als300 and cs5530 drivers

These drviers defined only variables but didn't declare as module
parameters.  Also fix the enable variable to bool type.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/cs5530.c b/sound/pci/cs5530.c
index 958f494..c47cabf 100644
--- a/sound/pci/cs5530.c
+++ b/sound/pci/cs5530.c
@@ -50,7 +50,14 @@
 
 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
-static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for CS5530 Audio driver.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for CS5530 Audio driver.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable CS5530 Audio driver.");
 
 struct snd_cs5530 {
 	struct snd_card *card;