microblaze: whitespace fix

Align using tabs to make code prettier.
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

arch/microblaze/include/asm/uaccess.h

@@ -306,7 +306,7 @@ extern long __user_bad(void);
 
 #define __put_user_check(x, ptr, size)					\
 ({									\
-	typeof(*(ptr)) volatile __pu_val = x;					\
+	typeof(*(ptr)) volatile __pu_val = x;				\
 	typeof(*(ptr)) __user *__pu_addr = (ptr);			\
 	int __pu_err = 0;						\
 									\