sound: oss: Remove useless initialisation

Remove useless initialisation of variable whose value is reinitialised
later.

The Coccinelle semantic patch used to make this change is as follows:
@@
type T;
identifier x;
constant C;
expression e;
@@

T x
- = C
 ;
x = e;

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/oss/ad1848.c b/sound/oss/ad1848.c
index 10c8de1..6368e5c 100644
--- a/sound/oss/ad1848.c
+++ b/sound/oss/ad1848.c
@@ -254,7 +254,7 @@
 
 static void wait_for_calibration(ad1848_info * devc)
 {
-	int timeout = 0;
+	int timeout;
 
 	/*
 	 * Wait until the auto calibration process has finished.