spi/dw_spi: fix __init/__devinit section mismatch

Section mismatch in reference from the function dw_spi_add_host()
to the function init_queue()

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/spi/dw_spi.c b/drivers/spi/dw_spi.c
index 1bb709b..f713af8 100644
--- a/drivers/spi/dw_spi.c
+++ b/drivers/spi/dw_spi.c
@@ -749,7 +749,7 @@
 	kfree(chip);
 }
 
-static int __init init_queue(struct dw_spi *dws)
+static int __devinit init_queue(struct dw_spi *dws)
 {
 	INIT_LIST_HEAD(&dws->queue);
 	spin_lock_init(&dws->lock);