powerpc/cell: set no_llseek in spufs_cntl_fops

In spufs_cntl_fops, since we use nonseekable_open() to open, we
should use no_llseek() to seek, not generic_file_llseek().
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/platforms/cell/spufs/file.c

@@ -459,7 +459,7 @@ static const struct file_operations spufs_cntl_fops = {
 	.release = spufs_cntl_release,
 	.read = simple_attr_read,
 	.write = simple_attr_write,
-	.llseek	= generic_file_llseek,
+	.llseek	= no_llseek,
 	.mmap = spufs_cntl_mmap,
 };