[POWERPC] rtas_pci_ops: Use named structure member initializers

Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/kernel/rtas_pci.c b/arch/powerpc/kernel/rtas_pci.c
index a5de621..21f14e5 100644
--- a/arch/powerpc/kernel/rtas_pci.c
+++ b/arch/powerpc/kernel/rtas_pci.c
@@ -171,8 +171,8 @@
 }
 
 struct pci_ops rtas_pci_ops = {
-	rtas_pci_read_config,
-	rtas_pci_write_config
+	.read = rtas_pci_read_config,
+	.write = rtas_pci_write_config,
 };
 
 int is_python(struct device_node *dev)