ALSA: sparc: no need to initialise statics to 0

Static variables do not need to be initialised to 0, because compiler
will initialise all uninitialised statics to 0. Thus, remove the
unneeded initializations.

Signed-off-by: Jason Wang <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Takashi Iwai <[e-mail]>

sound/sparc/dbri.c

···
 {
 	u32 dvma_addr = (u32)dbri->dma_dvma;
 	s32 tmp, addr;
-	static int wait_id = 0;
+	static int wait_id;
 
 	wait_id++;
 	wait_id &= 0xffff;	/* restrict it to a 16 bit counter. */
···
 static irqreturn_t snd_dbri_interrupt(int irq, void *dev_id)
 {
 	struct snd_dbri *dbri = dev_id;
-	static int errcnt = 0;
+	static int errcnt;
 	int x;
 
 	if (dbri == NULL)
···
 	struct snd_dbri *dbri;
 	struct resource *rp;
 	struct snd_card *card;
-	static int dev = 0;
+	static int dev;
 	int irq;
 	int err;