[ARM] 3741/1: remove sa1111.c build warning on non-sa1100 systems

Patch from David Brownell

Remove buld warning when building sa1111 on non-sa1100 platforms (e.g. PXA).

Signed-off-by: David Brownell <[e-mail]>
Signed-off-by: Russell King <[e-mail]>

arch/arm/common/sa1111.c

···
 {
 	struct sa1111 *sachip;
 	unsigned long id;
-	unsigned int has_devs, val;
+	unsigned int has_devs;
 	int i, ret = -ENODEV;
 
 	sachip = kzalloc(sizeof(struct sa1111), GFP_KERNEL);
···
 	sa1111_wake(sachip);
 
 #ifdef CONFIG_ARCH_SA1100
+	{
+	unsigned int val;
+
 	/*
 	 * The SDRAM configuration of the SA1110 and the SA1111 must
 	 * match.  This is very important to ensure that SA1111 accesses
···
 	 * Enable the SA1110 memory bus request and grant signals.
 	 */
 	sa1110_mb_enable();
+	}
 #endif
 
 	/*